64096321 has 4 divisors (see below), whose sum is σ = 65828692. Its totient is φ = 62363952.

The previous prime is 64096309. The next prime is 64096337. The reversal of 64096321 is 12369046.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51279921 + 12816400 = 7161^2 + 3580^2 .

It is a cyclic number.

It is not a de Polignac number, because 64096321 - 2⁵ = 64096289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64096301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866130 + ... + 866203.

It is an arithmetic number, because the mean of its divisors is an integer number (16457173).

Almost surely, 2^64096321 is an apocalyptic number.

It is an amenable number.

64096321 is a deficient number, since it is larger than the sum of its proper divisors (1732371).

64096321 is a wasteful number, since it uses less digits than its factorization.

64096321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732370.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 64096321 is about 8006.0177991309. The cubic root of 64096321 is about 400.2005681642.

The spelling of 64096321 in words is "sixty-four million, ninety-six thousand, three hundred twenty-one".