No, unless it forms part of the proper noun then it should be capitalized.
Example:
I want to talk to Officer Smith now.
no
You mean if you are writing out the number like "thirty-five"? No. You don't capitalize it in the middle of the sentence.
No you don't. - Yes, if it is title. Most of the officers work in the same room, but the Chief has his own office.
no
No.
No you don't.
No.
No.
In the middle of a sentence, you don't capitalize second floor.
Yea
No you don't.
No it shouldn't be capitalized.