2057312539 has 2 divisors, whose sum is σ = 2057312540. Its totient is φ = 2057312538.

The previous prime is 2057312447. The next prime is 2057312561. The reversal of 2057312539 is 9352137502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2057312539 - 2²⁹ = 1520441627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2057312498 and 2057312507.

It is not a weakly prime, because it can be changed into another prime (2057312599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028656269 + 1028656270.

It is an arithmetic number, because the mean of its divisors is an integer number (1028656270).

Almost surely, 2^2057312539 is an apocalyptic number.

2057312539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2057312539 is an equidigital number, since it uses as much as digits as its factorization.

2057312539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 2057312539 is about 45357.6072891858. The cubic root of 2057312539 is about 1271.8427666082.

The spelling of 2057312539 in words is "two billion, fifty-seven million, three hundred twelve thousand, five hundred thirty-nine".