264564231 has 8 divisors (see below), whose sum is σ = 355089024. Its totient is φ = 175207800.

The previous prime is 264564221. The next prime is 264564233. The reversal of 264564231 is 132465462.

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

It is not a de Polignac number, because 264564231 - 2¹⁷ = 264433159 is a prime.

It is a super-2 number, since 2×264564231² = 139988464649242722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264564192 and 264564201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264564233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291561 + ... + 292466.

It is an arithmetic number, because the mean of its divisors is an integer number (44386128).

Almost surely, 2^264564231 is an apocalyptic number.

264564231 is a deficient number, since it is larger than the sum of its proper divisors (90524793).

264564231 is a wasteful number, since it uses less digits than its factorization.

264564231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584181.

The product of its digits is 34560, while the sum is 33.

The square root of 264564231 is about 16265.4305507109. The cubic root of 264564231 is about 641.9635585530.

The spelling of 264564231 in words is "two hundred sixty-four million, five hundred sixty-four thousand, two hundred thirty-one".