64010509 has 2 divisors, whose sum is σ = 64010510. Its totient is φ = 64010508.

The previous prime is 64010489. The next prime is 64010537. The reversal of 64010509 is 90501046.

64010509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61669609 + 2340900 = 7853^2 + 1530^2 .

It is a cyclic number.

It is not a de Polignac number, because 64010509 - 2⁵ = 64010477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64010209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32005254 + 32005255.

It is an arithmetic number, because the mean of its divisors is an integer number (32005255).

Almost surely, 2^64010509 is an apocalyptic number.

It is an amenable number.

64010509 is a deficient number, since it is larger than the sum of its proper divisors (1).

64010509 is an equidigital number, since it uses as much as digits as its factorization.

64010509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 64010509 is about 8000.6567855395. The cubic root of 64010509 is about 400.0218925518.

The spelling of 64010509 in words is "sixty-four million, ten thousand, five hundred nine".