264355231 has 8 divisors (see below), whose sum is σ = 302366720. Its totient is φ = 226405368.

The previous prime is 264355229. The next prime is 264355291. The reversal of 264355231 is 132553462.

It is a happy number.

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

It is not a de Polignac number, because 264355231 - 2¹ = 264355229 is a prime.

It is a super-2 number, since 2×264355231² = 139767376314126722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264355193 and 264355202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264355211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5811 + ... + 23716.

It is an arithmetic number, because the mean of its divisors is an integer number (37795840).

Almost surely, 2^264355231 is an apocalyptic number.

264355231 is a deficient number, since it is larger than the sum of its proper divisors (38011489).

264355231 is a wasteful number, since it uses less digits than its factorization.

264355231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30813.

The product of its digits is 21600, while the sum is 31.

The square root of 264355231 is about 16259.0046128292. The cubic root of 264355231 is about 641.7944682603.

The spelling of 264355231 in words is "two hundred sixty-four million, three hundred fifty-five thousand, two hundred thirty-one".