265237875 has 128 divisors (see below), whose sum is σ = 571084800. Its totient is φ = 118972800.

The previous prime is 265237837. The next prime is 265237879. The reversal of 265237875 is 578732562.

It is not a de Polignac number, because 265237875 - 2⁸ = 265237619 is a prime.

It is a super-2 number, since 2×265237875² = 140702260669031250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 265237875.

It is not an unprimeable number, because it can be changed into a prime (265237879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2433321 + ... + 2433429.

It is an arithmetic number, because the mean of its divisors is an integer number (4461600).

Almost surely, 2^265237875 is an apocalyptic number.

265237875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

265237875 is an abundant number, since it is smaller than the sum of its proper divisors (305846925).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265237875 is a wasteful number, since it uses less digits than its factorization.

265237875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 227 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 265237875 is about 16286.1252297776. The cubic root of 265237875 is about 642.5079611624.

The spelling of 265237875 in words is "two hundred sixty-five million, two hundred thirty-seven thousand, eight hundred seventy-five".