64319371 has 2 divisors, whose sum is σ = 64319372. Its totient is φ = 64319370.

The previous prime is 64319329. The next prime is 64319383. The reversal of 64319371 is 17391346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64319371 - 2¹⁵ = 64286603 is a prime.

It is equal to p_3802849 and since 64319371 and 3802849 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 (64319471) 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, 32159685 + 32159686.

It is an arithmetic number, because the mean of its divisors is an integer number (32159686).

Almost surely, 2^64319371 is an apocalyptic number.

64319371 is a deficient number, since it is larger than the sum of its proper divisors (1).

64319371 is an equidigital number, since it uses as much as digits as its factorization.

64319371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 64319371 is about 8019.9358476237. The cubic root of 64319371 is about 400.6642525607.

The spelling of 64319371 in words is "sixty-four million, three hundred nineteen thousand, three hundred seventy-one".