Its called a Palindrome, i.e radar, redivider. Palindromes can also be sentences.
palindrome
a palindrome
A palindrome
The number that reads same when inerted is SIX.When inverted it reads SIX.
A palindrome
A Palindrome.
radar
Palindromic
palindrome
a palindrome
A palindrome
A palindrome
rotator
The number that reads same when inerted is SIX.When inverted it reads SIX.
A palindrome
Paraguay
A palindromic word or sentence is one that reads the same both forwards and backwards, e.g. "Able was I ere I saw Elba". By extension a palindromic number could be one that reads the same both forward and backward, e.g., 101, 202, etc.