265940375 has 32 divisors (see below), whose sum is σ = 348686208. Its totient is φ = 202118400.

The previous prime is 265940357. The next prime is 265940447. The reversal of 265940375 is 573049562.

It is not a de Polignac number, because 265940375 - 2¹⁰ = 265939351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 669677 + ... + 670073.

It is an arithmetic number, because the mean of its divisors is an integer number (10896444).

Almost surely, 2^265940375 is an apocalyptic number.

265940375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

265940375 is a deficient number, since it is larger than the sum of its proper divisors (82745833).

265940375 is a wasteful number, since it uses less digits than its factorization.

265940375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 265940375 is about 16307.6784061987. The cubic root of 265940375 is about 643.0747026718.

It can be divided in two parts, 2659 and 40375, that added together give a palindrome (43034).

The spelling of 265940375 in words is "two hundred sixty-five million, nine hundred forty thousand, three hundred seventy-five".