656925 has 24 divisors (see below), whose sum is σ = 1145760. Its totient is φ = 331200.

The previous prime is 656923. The next prime is 656939. The reversal of 656925 is 529656.

It is not a de Polignac number, because 656925 - 2¹ = 656923 is a prime.

It is an alternating number because its digits alternate between even and odd.

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 656925.

It is not an unprimeable number, because it can be changed into a prime (656923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1195 + ... + 1655.

It is an arithmetic number, because the mean of its divisors is an integer number (47740).

2⁶⁵⁶⁹²⁵ is an apocalyptic number.

It is an amenable number.

656925 is a deficient number, since it is larger than the sum of its proper divisors (488835).

656925 is a wasteful number, since it uses less digits than its factorization.

656925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 488 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 656925 is about 810.5090992703. The cubic root of 656925 is about 86.9304504268.

The spelling of 656925 in words is "six hundred fifty-six thousand, nine hundred twenty-five".