264660959 has 4 divisors (see below), whose sum is σ = 269654616. Its totient is φ = 259667304.

The previous prime is 264660953. The next prime is 264660983. The reversal of 264660959 is 959066462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 264660959 - 2⁴ = 264660943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264660953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2496749 + ... + 2496854.

It is an arithmetic number, because the mean of its divisors is an integer number (67413654).

Almost surely, 2^264660959 is an apocalyptic number.

264660959 is a deficient number, since it is larger than the sum of its proper divisors (4993657).

264660959 is an equidigital number, since it uses as much as digits as its factorization.

264660959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993656.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 264660959 is about 16268.4037016543. The cubic root of 264660959 is about 642.0417856622.

The spelling of 264660959 in words is "two hundred sixty-four million, six hundred sixty thousand, nine hundred fifty-nine".