225135256 has 16 divisors (see below), whose sum is σ = 444346200. Its totient is φ = 106642944.

The previous prime is 225135193. The next prime is 225135257. The reversal of 225135256 is 652531522.

It is a happy number.

225135256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225135257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740425 + ... + 740728.

Almost surely, 2^225135256 is an apocalyptic number.

It is an amenable number.

225135256 is a deficient number, since it is larger than the sum of its proper divisors (219210944).

225135256 is a wasteful number, since it uses less digits than its factorization.

225135256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481178 (or 1481174 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 225135256 is about 15004.5078559745. The cubic root of 225135256 is about 608.3420498574.

Adding to 225135256 its reverse (652531522), we get a palindrome (877666778).

The spelling of 225135256 in words is "two hundred twenty-five million, one hundred thirty-five thousand, two hundred fifty-six".