265055871 has 16 divisors (see below), whose sum is σ = 373443840. Its totient is φ = 166757760.

The previous prime is 265055849. The next prime is 265055929. The reversal of 265055871 is 178550562.

It is not a de Polignac number, because 265055871 - 2⁶ = 265055807 is a prime.

It is a super-2 number, since 2×265055871² = 140509229503137282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265055801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6151 + ... + 23831.

It is an arithmetic number, because the mean of its divisors is an integer number (23340240).

Almost surely, 2^265055871 is an apocalyptic number.

265055871 is a deficient number, since it is larger than the sum of its proper divisors (108387969).

265055871 is a wasteful number, since it uses less digits than its factorization.

265055871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17966.

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 265055871 is about 16280.5365697817. The cubic root of 265055871 is about 642.3609663480.

The spelling of 265055871 in words is "two hundred sixty-five million, fifty-five thousand, eight hundred seventy-one".