57635213 has 2 divisors, whose sum is σ = 57635214. Its totient is φ = 57635212.

The previous prime is 57635197. The next prime is 57635273. The reversal of 57635213 is 31253675.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56580484 + 1054729 = 7522^2 + 1027^2 .

It is a cyclic number.

It is not a de Polignac number, because 57635213 - 2⁴ = 57635197 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 57635213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57635273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28817606 + 28817607.

It is an arithmetic number, because the mean of its divisors is an integer number (28817607).

Almost surely, 2^57635213 is an apocalyptic number.

It is an amenable number.

57635213 is a deficient number, since it is larger than the sum of its proper divisors (1).

57635213 is an equidigital number, since it uses as much as digits as its factorization.

57635213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 32.

The square root of 57635213 is about 7591.7858900261. The cubic root of 57635213 is about 386.2744363701.

Adding to 57635213 its reverse (31253675), we get a palindrome (88888888).

The spelling of 57635213 in words is "fifty-seven million, six hundred thirty-five thousand, two hundred thirteen".