275264665 has 48 divisors (see below), whose sum is σ = 379468800. Its totient is φ = 191283456.

The previous prime is 275264659. The next prime is 275264681. The reversal of 275264665 is 566462572.

It is not a de Polignac number, because 275264665 - 2¹⁵ = 275231897 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1151616 + ... + 1151854.

It is an arithmetic number, because the mean of its divisors is an integer number (7905600).

Almost surely, 2^275264665 is an apocalyptic number.

It is an amenable number.

275264665 is a deficient number, since it is larger than the sum of its proper divisors (104204135).

275264665 is a wasteful number, since it uses less digits than its factorization.

275264665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 333 counting only the distinct ones).

The product of its digits is 604800, while the sum is 43.

The square root of 275264665 is about 16591.1019826894. The cubic root of 275264665 is about 650.5042753445.

The spelling of 275264665 in words is "two hundred seventy-five million, two hundred sixty-four thousand, six hundred sixty-five".