57725613 has 12 divisors (see below), whose sum is σ = 90961728. Its totient is φ = 34985160.

The previous prime is 57725609. The next prime is 57725617. The reversal of 57725613 is 31652775.

57725613 is a `hidden beast` number, since 577 + 25 + 61 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (57725609) and next prime (57725617).

It is not a de Polignac number, because 57725613 - 2² = 57725609 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57725617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291445 + ... + 291642.

It is an arithmetic number, because the mean of its divisors is an integer number (7580144).

Almost surely, 2^57725613 is an apocalyptic number.

It is an amenable number.

57725613 is a deficient number, since it is larger than the sum of its proper divisors (33236115).

57725613 is a wasteful number, since it uses less digits than its factorization.

57725613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583104 (or 583101 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 57725613 is about 7597.7373605568. The cubic root of 57725613 is about 386.4762861674.

The spelling of 57725613 in words is "fifty-seven million, seven hundred twenty-five thousand, six hundred thirteen".