57570413 has 2 divisors, whose sum is σ = 57570414. Its totient is φ = 57570412.

The previous prime is 57570319. The next prime is 57570433. The reversal of 57570413 is 31407575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52809289 + 4761124 = 7267^2 + 2182^2 .

It is a cyclic number.

It is not a de Polignac number, because 57570413 - 2²⁰ = 56521837 is a prime.

It is a Sophie Germain prime.

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 57570413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57570433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28785206 + 28785207.

It is an arithmetic number, because the mean of its divisors is an integer number (28785207).

Almost surely, 2^57570413 is an apocalyptic number.

It is an amenable number.

57570413 is a deficient number, since it is larger than the sum of its proper divisors (1).

57570413 is an equidigital number, since it uses as much as digits as its factorization.

57570413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 57570413 is about 7587.5169192563. The cubic root of 57570413 is about 386.1296176689.

Adding to 57570413 its reverse (31407575), we get a palindrome (88977988).

The spelling of 57570413 in words is "fifty-seven million, five hundred seventy thousand, four hundred thirteen".