312553867 has 2 divisors, whose sum is σ = 312553868. Its totient is φ = 312553866.

The previous prime is 312553859. The next prime is 312553897. The reversal of 312553867 is 768355213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312553867 - 2³ = 312553859 is a prime.

It is not a weakly prime, because it can be changed into another prime (312553897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156276933 + 156276934.

It is an arithmetic number, because the mean of its divisors is an integer number (156276934).

Almost surely, 2^312553867 is an apocalyptic number.

312553867 is a deficient number, since it is larger than the sum of its proper divisors (1).

312553867 is an equidigital number, since it uses as much as digits as its factorization.

312553867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The square root of 312553867 is about 17679.1930528517. The cubic root of 312553867 is about 678.6433932509.

The spelling of 312553867 in words is "three hundred twelve million, five hundred fifty-three thousand, eight hundred sixty-seven".