265275500 has 48 divisors (see below), whose sum is σ = 662136384. Its totient is φ = 90950400.

The previous prime is 265275487. The next prime is 265275581. The reversal of 265275500 is 5572562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34397 + ... + 41396.

It is an arithmetic number, because the mean of its divisors is an integer number (13794508).

Almost surely, 2^265275500 is an apocalyptic number.

265275500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265275500 is an abundant number, since it is smaller than the sum of its proper divisors (396860884).

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

265275500 is a wasteful number, since it uses less digits than its factorization.

265275500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75819 (or 75807 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 265275500 is about 16287.2803131769. The cubic root of 265275500 is about 642.5383404576.

The spelling of 265275500 in words is "two hundred sixty-five million, two hundred seventy-five thousand, five hundred".