64815059 has 2 divisors, whose sum is σ = 64815060. Its totient is φ = 64815058.

The previous prime is 64815053. The next prime is 64815103. The reversal of 64815059 is 95051846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64815059 - 2¹⁶ = 64749523 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (64815053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32407529 + 32407530.

It is an arithmetic number, because the mean of its divisors is an integer number (32407530).

Almost surely, 2^64815059 is an apocalyptic number.

64815059 is a deficient number, since it is larger than the sum of its proper divisors (1).

64815059 is an equidigital number, since it uses as much as digits as its factorization.

64815059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 64815059 is about 8050.7800243206. The cubic root of 64815059 is about 401.6908818085.

The spelling of 64815059 in words is "sixty-four million, eight hundred fifteen thousand, fifty-nine".