264563231 has 8 divisors (see below), whose sum is σ = 280278000. Its totient is φ = 248865408.

The previous prime is 264563203. The next prime is 264563249. The reversal of 264563231 is 132365462.

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 264563231 - 2¹⁴ = 264546847 is a prime.

It is a super-2 number, since 2×264563231² = 139987406394318722, 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 (264563261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43145 + ... + 48893.

It is an arithmetic number, because the mean of its divisors is an integer number (35034750).

Almost surely, 2^264563231 is an apocalyptic number.

264563231 is a deficient number, since it is larger than the sum of its proper divisors (15714769).

264563231 is a wasteful number, since it uses less digits than its factorization.

264563231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473.

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

The square root of 264563231 is about 16265.3998106410. The cubic root of 264563231 is about 641.9627497206.

The spelling of 264563231 in words is "two hundred sixty-four million, five hundred sixty-three thousand, two hundred thirty-one".