57713813 has 2 divisors, whose sum is σ = 57713814. Its totient is φ = 57713812.

The previous prime is 57713797. The next prime is 57713839. The reversal of 57713813 is 31831775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55457809 + 2256004 = 7447^2 + 1502^2 .

It is a cyclic number.

It is not a de Polignac number, because 57713813 - 2⁴ = 57713797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57713863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28856906 + 28856907.

It is an arithmetic number, because the mean of its divisors is an integer number (28856907).

Almost surely, 2^57713813 is an apocalyptic number.

It is an amenable number.

57713813 is a deficient number, since it is larger than the sum of its proper divisors (1).

57713813 is an equidigital number, since it uses as much as digits as its factorization.

57713813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 35.

The square root of 57713813 is about 7596.9607738885. The cubic root of 57713813 is about 386.4499504808.

The spelling of 57713813 in words is "fifty-seven million, seven hundred thirteen thousand, eight hundred thirteen".