64315313 has 2 divisors, whose sum is σ = 64315314. Its totient is φ = 64315312.

The previous prime is 64315283. The next prime is 64315327. The reversal of 64315313 is 31351346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59243809 + 5071504 = 7697^2 + 2252^2 .

It is a cyclic number.

It is not a de Polignac number, because 64315313 - 2⁶ = 64315249 is a prime.

It is equal to p_3802625 and since 64315313 and 3802625 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (64315373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32157656 + 32157657.

It is an arithmetic number, because the mean of its divisors is an integer number (32157657).

Almost surely, 2^64315313 is an apocalyptic number.

It is an amenable number.

64315313 is a deficient number, since it is larger than the sum of its proper divisors (1).

64315313 is an equidigital number, since it uses as much as digits as its factorization.

64315313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 26.

The square root of 64315313 is about 8019.6828490907. The cubic root of 64315313 is about 400.6558262256.

Adding to 64315313 its reverse (31351346), we get a palindrome (95666659).

The spelling of 64315313 in words is "sixty-four million, three hundred fifteen thousand, three hundred thirteen".