397062505925 has 12 divisors (see below), whose sum is σ = 492735412320. Its totient is φ = 317406195120.

The previous prime is 397062505907. The next prime is 397062505937. The reversal of 397062505925 is 529505260793.

It is a de Polignac number, because none of the positive numbers 2^k-397062505925 is a prime.

It is a super-2 number, since 2×397062505925² (a number of 24 digits) contains 22 as substring.

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, 6062015 + ... + 6127164.

It is an arithmetic number, because the mean of its divisors is an integer number (41061284360).

Almost surely, 2^397062505925 is an apocalyptic number.

It is an amenable number.

397062505925 is a deficient number, since it is larger than the sum of its proper divisors (95672906395).

397062505925 is a wasteful number, since it uses less digits than its factorization.

397062505925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12190492 (or 12190487 counting only the distinct ones).

The product of its (nonzero) digits is 5103000, while the sum is 53.

The spelling of 397062505925 in words is "three hundred ninety-seven billion, sixty-two million, five hundred five thousand, nine hundred twenty-five".