656000325 has 18 divisors (see below), whose sum is σ = 1174969874. Its totient is φ = 349866720.

The previous prime is 656000321. The next prime is 656000333. The reversal of 656000325 is 523000656.

656000325 is a `hidden beast` number, since 656 + 0 + 0 + 0 + 3 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1766241 + 654234084 = 1329^2 + 25578^2 .

It is not a de Polignac number, because 656000325 - 2² = 656000321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656000321) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1457554 + ... + 1458003.

Almost surely, 2^656000325 is an apocalyptic number.

It is an amenable number.

656000325 is a deficient number, since it is larger than the sum of its proper divisors (518969549).

656000325 is a wasteful number, since it uses less digits than its factorization.

656000325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915573 (or 2915565 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 656000325 is about 25612.5032942897. The cubic root of 656000325 is about 868.8964406452.

The spelling of 656000325 in words is "six hundred fifty-six million, three hundred twenty-five", and thus it is an aban number.