397161125 has 16 divisors (see below), whose sum is σ = 517211136. Its totient is φ = 303912400.

The previous prime is 397161113. The next prime is 397161143. The reversal of 397161125 is 521161793.

It is not a de Polignac number, because 397161125 - 2⁴ = 397161109 is a prime.

It is a super-2 number, since 2×397161125² = 315473918422531250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66197 + ... + 71946.

It is an arithmetic number, because the mean of its divisors is an integer number (32325696).

Almost surely, 2^397161125 is an apocalyptic number.

It is an amenable number.

397161125 is a deficient number, since it is larger than the sum of its proper divisors (120050011).

397161125 is a wasteful number, since it uses less digits than its factorization.

397161125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138181 (or 138171 counting only the distinct ones).

The product of its digits is 11340, while the sum is 35.

The square root of 397161125 is about 19928.9017509746. The cubic root of 397161125 is about 735.0590755731.

The spelling of 397161125 in words is "three hundred ninety-seven million, one hundred sixty-one thousand, one hundred twenty-five".