264992505 has 8 divisors (see below), whose sum is σ = 423988032. Its totient is φ = 141329328.

The previous prime is 264992503. The next prime is 264992513. The reversal of 264992505 is 505299462.

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

It is not a de Polignac number, because 264992505 - 2¹ = 264992503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264992501) 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, 8833069 + ... + 8833098.

It is an arithmetic number, because the mean of its divisors is an integer number (52998504).

Almost surely, 2^264992505 is an apocalyptic number.

It is an amenable number.

264992505 is a deficient number, since it is larger than the sum of its proper divisors (158995527).

264992505 is a wasteful number, since it uses less digits than its factorization.

264992505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17666175.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 264992505 is about 16278.5903873769. The cubic root of 264992505 is about 642.3097732556.

The spelling of 264992505 in words is "two hundred sixty-four million, nine hundred ninety-two thousand, five hundred five".