64312627 has 2 divisors, whose sum is σ = 64312628. Its totient is φ = 64312626.

The previous prime is 64312609. The next prime is 64312637. The reversal of 64312627 is 72621346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64312627 - 2²³ = 55924019 is a prime.

It is a super-2 number, since 2×64312627² = 8272227983282258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64312607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32156313 + 32156314.

It is an arithmetic number, because the mean of its divisors is an integer number (32156314).

Almost surely, 2^64312627 is an apocalyptic number.

64312627 is a deficient number, since it is larger than the sum of its proper divisors (1).

64312627 is an equidigital number, since it uses as much as digits as its factorization.

64312627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 64312627 is about 8019.5153843608. The cubic root of 64312627 is about 400.6502486190.

The spelling of 64312627 in words is "sixty-four million, three hundred twelve thousand, six hundred twenty-seven".