57431025 has 60 divisors (see below), whose sum is σ = 108028800. Its totient is φ = 30157920.

The previous prime is 57431009. The next prime is 57431029. The reversal of 57431025 is 52013475.

It is a happy number.

It is not a de Polignac number, because 57431025 - 2⁴ = 57431009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57431025.

It is not an unprimeable number, because it can be changed into a prime (57431029) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 159796 + ... + 160154.

It is an arithmetic number, because the mean of its divisors is an integer number (1800480).

Almost surely, 2^57431025 is an apocalyptic number.

It is an amenable number.

57431025 is a deficient number, since it is larger than the sum of its proper divisors (50597775).

57431025 is a wasteful number, since it uses less digits than its factorization.

57431025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 57431025 is about 7578.3260024889. The cubic root of 57431025 is about 385.8177368015.

The spelling of 57431025 in words is "fifty-seven million, four hundred thirty-one thousand, twenty-five".