30864925 has 24 divisors (see below), whose sum is σ = 47108096. Its totient is φ = 19535040.

The previous prime is 30864901. The next prime is 30864941. The reversal of 30864925 is 52946803.

It is not a de Polignac number, because 30864925 - 2¹¹ = 30862877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4509 + ... + 9058.

Almost surely, 2^30864925 is an apocalyptic number.

30864925 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30864925 is a deficient number, since it is larger than the sum of its proper divisors (16243171).

30864925 is a wasteful number, since it uses less digits than its factorization.

30864925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13597 (or 13592 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 30864925 is about 5555.6210273920. The cubic root of 30864925 is about 313.6811407431.

The spelling of 30864925 in words is "thirty million, eight hundred sixty-four thousand, nine hundred twenty-five".