265090089 has 32 divisors (see below), whose sum is σ = 398361600. Its totient is φ = 155390400.

The previous prime is 265090081. The next prime is 265090093. The reversal of 265090089 is 980090562.

It is a happy number.

It is not a de Polignac number, because 265090089 - 2³ = 265090081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (265090081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242434 + ... + 243524.

It is an arithmetic number, because the mean of its divisors is an integer number (12448800).

Almost surely, 2^265090089 is an apocalyptic number.

It is an amenable number.

265090089 is a deficient number, since it is larger than the sum of its proper divisors (133271511).

265090089 is a wasteful number, since it uses less digits than its factorization.

265090089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 265090089 is about 16281.5874226072. The cubic root of 265090089 is about 642.3886075162.

The spelling of 265090089 in words is "two hundred sixty-five million, ninety thousand, eighty-nine".