57871925 has 6 divisors (see below), whose sum is σ = 71761218. Its totient is φ = 46297520.

The previous prime is 57871909. The next prime is 57871939. The reversal of 57871925 is 52917875.

It can be written as a sum of positive squares in 3 ways, for example, as 5476 + 57866449 = 74^2 + 7607^2 .

It is not a de Polignac number, because 57871925 - 2⁴ = 57871909 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 1157414 + ... + 1157463.

It is an arithmetic number, because the mean of its divisors is an integer number (11960203).

Almost surely, 2^57871925 is an apocalyptic number.

It is an amenable number.

57871925 is a deficient number, since it is larger than the sum of its proper divisors (13889293).

57871925 is a wasteful number, since it uses less digits than its factorization.

57871925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314887 (or 2314882 counting only the distinct ones).

The product of its digits is 176400, while the sum is 44.

The square root of 57871925 is about 7607.3599231271. The cubic root of 57871925 is about 386.8025330935.

The spelling of 57871925 in words is "fifty-seven million, eight hundred seventy-one thousand, nine hundred twenty-five".