57431525 has 18 divisors (see below), whose sum is σ = 75660150. Its totient is φ = 43237120.

The previous prime is 57431503. The next prime is 57431537. The reversal of 57431525 is 52513475.

It can be written as a sum of positive squares in 9 ways, for example, as 3511876 + 53919649 = 1874^2 + 7343^2 .

It is not a de Polignac number, because 57431525 - 2¹⁶ = 57365989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57431491 and 57431500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3251 + ... + 11199.

Almost surely, 2^57431525 is an apocalyptic number.

It is an amenable number.

57431525 is a deficient number, since it is larger than the sum of its proper divisors (18228625).

57431525 is a wasteful number, since it uses less digits than its factorization.

57431525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7993 (or 7971 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 57431525 is about 7578.3589912329. The cubic root of 57431525 is about 385.8188564537.

The spelling of 57431525 in words is "fifty-seven million, four hundred thirty-one thousand, five hundred twenty-five".