326564231 has 16 divisors (see below), whose sum is σ = 387619584. Its totient is φ = 269305344.

The previous prime is 326564197. The next prime is 326564291. The reversal of 326564231 is 132465623.

It is not a de Polignac number, because 326564231 - 2²⁶ = 259455367 is a prime.

It is a super-2 number, since 2×326564231² = 213288393937242722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326564291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12071 + ... + 28263.

It is an arithmetic number, because the mean of its divisors is an integer number (24226224).

Almost surely, 2^326564231 is an apocalyptic number.

326564231 is a deficient number, since it is larger than the sum of its proper divisors (61055353).

326564231 is a wasteful number, since it uses less digits than its factorization.

326564231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16310.

The product of its digits is 25920, while the sum is 32.

The square root of 326564231 is about 18071.0882627472. The cubic root of 326564231 is about 688.6357072459.

The spelling of 326564231 in words is "three hundred twenty-six million, five hundred sixty-four thousand, two hundred thirty-one".