63565256 has 16 divisors (see below), whose sum is σ = 120044400. Its totient is φ = 31553424.

The previous prime is 63565253. The next prime is 63565267. The reversal of 63565256 is 65256536.

It is not an unprimeable number, because it can be changed into a prime (63565253) 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, 27470 + ... + 29693.

It is an arithmetic number, because the mean of its divisors is an integer number (7502775).

Almost surely, 2^63565256 is an apocalyptic number.

It is an amenable number.

63565256 is a deficient number, since it is larger than the sum of its proper divisors (56479144).

63565256 is a wasteful number, since it uses less digits than its factorization.

63565256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57308 (or 57304 counting only the distinct ones).

The product of its digits is 162000, while the sum is 38.

The square root of 63565256 is about 7972.7821994584. The cubic root of 63565256 is about 399.0922247520.

The spelling of 63565256 in words is "sixty-three million, five hundred sixty-five thousand, two hundred fifty-six".