512009925 has 24 divisors (see below), whose sum is σ = 967455936. Its totient is φ = 234061440.

The previous prime is 512009903. The next prime is 512009933. The reversal of 512009925 is 529900215.

It is not a de Polignac number, because 512009925 - 2⁸ = 512009669 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, 487104 + ... + 488153.

It is an arithmetic number, because the mean of its divisors is an integer number (40310664).

Almost surely, 2^512009925 is an apocalyptic number.

It is an amenable number.

512009925 is a deficient number, since it is larger than the sum of its proper divisors (455446011).

512009925 is a wasteful number, since it uses less digits than its factorization.

512009925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975277 (or 975272 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 512009925 is about 22627.6363104943. The cubic root of 512009925 is about 800.0051692374.

The spelling of 512009925 in words is "five hundred twelve million, nine thousand, nine hundred twenty-five".