312650057 has 2 divisors, whose sum is σ = 312650058. Its totient is φ = 312650056.

The previous prime is 312650053. The next prime is 312650083. The reversal of 312650057 is 750056213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271227961 + 41422096 = 16469^2 + 6436^2 .

It is a cyclic number.

It is not a de Polignac number, because 312650057 - 2² = 312650053 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (312650053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156325028 + 156325029.

It is an arithmetic number, because the mean of its divisors is an integer number (156325029).

Almost surely, 2^312650057 is an apocalyptic number.

It is an amenable number.

312650057 is a deficient number, since it is larger than the sum of its proper divisors (1).

312650057 is an equidigital number, since it uses as much as digits as its factorization.

312650057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 312650057 is about 17681.9132731727. The cubic root of 312650057 is about 678.7130047317.

The spelling of 312650057 in words is "three hundred twelve million, six hundred fifty thousand, fifty-seven".