Adding to 7541 its reverse (1457), we get a palindrome (8998).
Subtracting from 7541 its reverse (1457), we obtain a square (6084 = 782).
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a plaindrome in base 12 and base 15.
It is a nialpdrome in base 10.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 7541.
27541 is an apocalyptic number.
It is an amenable number.
7541 is an equidigital number, since it uses as much as digits as its factorization.
7541 is an odious number, because the sum of its binary digits is odd.
The square root of 7541 is about 86.8389313615. The cubic root of 7541 is about 19.6099422001.
The spelling of 7541 in words is "seven thousand, five hundred forty-one".