57040525 has 12 divisors (see below), whose sum is σ = 74891412. Its totient is φ = 42947840.

The previous prime is 57040513. The next prime is 57040537. The reversal of 57040525 is 52504075.

It is an interprime number because it is at equal distance from previous prime (57040513) and next prime (57040537).

It can be written as a sum of positive squares in 6 ways, for example, as 925444 + 56115081 = 962^2 + 7491^2 .

It is not a de Polignac number, because 57040525 - 2²¹ = 54943373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57040493 and 57040502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66682 + ... + 67531.

It is an arithmetic number, because the mean of its divisors is an integer number (6240951).

Almost surely, 2^57040525 is an apocalyptic number.

It is an amenable number.

57040525 is a deficient number, since it is larger than the sum of its proper divisors (17850887).

57040525 is a wasteful number, since it uses less digits than its factorization.

57040525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134240 (or 134235 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 57040525 is about 7552.5177921009. The cubic root of 57040525 is about 384.9412964973.

The spelling of 57040525 in words is "fifty-seven million, forty thousand, five hundred twenty-five".