There is a total of approximately 267053 letters in the Holy Quran.
There are 25 nabis which are mentioned in the Quraan. There are many more but the number is not mentioned inside the quraan and sunnah.
Once Only
Why is the Quraan stand wood?Not all Quraan Stands (Kursi) are made from wood, There are many Kursis that are made from plastic too.
110 times
Because if there was no prophet Muhamed we will not know the Quraan ,Because all the Quraan is known by prophet and all Quraan is informed prophet Muhamed.
There are only 25 mentioned prophets in the Holy Quraan.
2 times
The mountain has been mentioned about 39 times in the Quran.
26 in our alphabet.
6666
As you are asking about countries not cities,then the only country that is mentioned in the Holy Quran is Egypt.
Although this question is not clear, but i would say that Quraan is the only book on earth that has the words of God. God is the one who said every word in it. At the beginning of Islam, Quraan's chapters were only memorized by the beilevers hearts. Though, in the ruling time of khaleefa"Abu Bakr", Quraan was first collected in one book.