64327013 has 2 divisors, whose sum is σ = 64327014. Its totient is φ = 64327012.

The previous prime is 64327007. The next prime is 64327037. The reversal of 64327013 is 31072346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57047809 + 7279204 = 7553^2 + 2698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64327013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64327063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32163506 + 32163507.

It is an arithmetic number, because the mean of its divisors is an integer number (32163507).

Almost surely, 2^64327013 is an apocalyptic number.

It is an amenable number.

64327013 is a deficient number, since it is larger than the sum of its proper divisors (1).

64327013 is an equidigital number, since it uses as much as digits as its factorization.

64327013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 64327013 is about 8020.4122711990. The cubic root of 64327013 is about 400.6801200198.

Adding to 64327013 its reverse (31072346), we get a palindrome (95399359).

The spelling of 64327013 in words is "sixty-four million, three hundred twenty-seven thousand, thirteen".