64365331 has 8 divisors (see below), whose sum is σ = 69939200. Its totient is φ = 59010120.

The previous prime is 64365299. The next prime is 64365337. The reversal of 64365331 is 13356346.

64365331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64365331 - 2⁵ = 64365299 is a prime.

It is a super-2 number, since 2×64365331² = 8285791669479122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64365293 and 64365302.

It is not an unprimeable number, because it can be changed into a prime (64365337) 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 in 7 ways as a sum of consecutive naturals, for example, 54051 + ... + 55228.

It is an arithmetic number, because the mean of its divisors is an integer number (8742400).

Almost surely, 2^64365331 is an apocalyptic number.

64365331 is a deficient number, since it is larger than the sum of its proper divisors (5573869).

64365331 is a wasteful number, since it uses less digits than its factorization.

64365331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109329.

The product of its digits is 19440, while the sum is 31.

The square root of 64365331 is about 8022.8006955177. The cubic root of 64365331 is about 400.7596626184.

The spelling of 64365331 in words is "sixty-four million, three hundred sixty-five thousand, three hundred thirty-one".