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 palindrome reads the same both directions.