625064256 has 56 divisors (see below), whose sum is σ = 1837578240. Its totient is φ = 208354176.

The previous prime is 625064213. The next prime is 625064291. The reversal of 625064256 is 652460526.

625064256 is a `hidden beast` number, since 6 + 2 + 5 + 0 + 642 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 625064256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179136 + ... + 182591.

Almost surely, 2^625064256 is an apocalyptic number.

It is an amenable number.

625064256 is an abundant number, since it is smaller than the sum of its proper divisors (1212513984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625064256 is a wasteful number, since it uses less digits than its factorization.

625064256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361748 (or 361732 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 625064256 is about 25001.2850869710. The cubic root of 625064256 is about 855.0172726581.

The spelling of 625064256 in words is "six hundred twenty-five million, sixty-four thousand, two hundred fifty-six".