57165413 has 2 divisors, whose sum is σ = 57165414. Its totient is φ = 57165412.

The previous prime is 57165391. The next prime is 57165421. The reversal of 57165413 is 31456175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47789569 + 9375844 = 6913^2 + 3062^2 .

It is a cyclic number.

It is not a de Polignac number, because 57165413 - 2⁶ = 57165349 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57165413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57165443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28582706 + 28582707.

It is an arithmetic number, because the mean of its divisors is an integer number (28582707).

Almost surely, 2^57165413 is an apocalyptic number.

It is an amenable number.

57165413 is a deficient number, since it is larger than the sum of its proper divisors (1).

57165413 is an equidigital number, since it uses as much as digits as its factorization.

57165413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 32.

The square root of 57165413 is about 7560.7812427024. The cubic root of 57165413 is about 385.2220296864. Note that the first 3 decimals are identical.

The spelling of 57165413 in words is "fifty-seven million, one hundred sixty-five thousand, four hundred thirteen".