264349531 has 8 divisors (see below), whose sum is σ = 269982720. Its totient is φ = 258740352.

The previous prime is 264349523. The next prime is 264349537. The reversal of 264349531 is 135943462.

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 264349531 - 2³ = 264349523 is a prime.

It is a super-2 number, since 2×264349531² = 139761349079839922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264349537) 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, 17190 + ... + 28708.

It is an arithmetic number, because the mean of its divisors is an integer number (33747840).

Almost surely, 2^264349531 is an apocalyptic number.

264349531 is a deficient number, since it is larger than the sum of its proper divisors (5633189).

264349531 is a wasteful number, since it uses less digits than its factorization.

264349531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12005.

The product of its digits is 77760, while the sum is 37.

The square root of 264349531 is about 16258.8293244009. The cubic root of 264349531 is about 641.7898554586.

The spelling of 264349531 in words is "two hundred sixty-four million, three hundred forty-nine thousand, five hundred thirty-one".