30973925 has 12 divisors (see below), whose sum is σ = 38896320. Its totient is φ = 24463920.

The previous prime is 30973907. The next prime is 30973931. The reversal of 30973925 is 52937903.

It is not a de Polignac number, because 30973925 - 2⁶ = 30973861 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5867 + ... + 9816.

It is an arithmetic number, because the mean of its divisors is an integer number (3241360).

Almost surely, 2^30973925 is an apocalyptic number.

It is an amenable number.

30973925 is a deficient number, since it is larger than the sum of its proper divisors (7922395).

30973925 is a wasteful number, since it uses less digits than its factorization.

30973925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15772 (or 15767 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 30973925 is about 5565.4222660999. The cubic root of 30973925 is about 314.0499636506.

The spelling of 30973925 in words is "thirty million, nine hundred seventy-three thousand, nine hundred twenty-five".