225265965 has 16 divisors (see below), whose sum is σ = 361503168. Its totient is φ = 119782656.

The previous prime is 225265961. The next prime is 225265967. The reversal of 225265965 is 569562522.

It is not a de Polignac number, because 225265965 - 2² = 225265961 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225265961) 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, 17227 + ... + 27336.

It is an arithmetic number, because the mean of its divisors is an integer number (22593948).

Almost surely, 2^225265965 is an apocalyptic number.

It is an amenable number.

225265965 is a deficient number, since it is larger than the sum of its proper divisors (136237203).

225265965 is a wasteful number, since it uses less digits than its factorization.

225265965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44908.

The product of its digits is 324000, while the sum is 42.

The square root of 225265965 is about 15008.8628816443. The cubic root of 225265965 is about 608.4597574656.

The spelling of 225265965 in words is "two hundred twenty-five million, two hundred sixty-five thousand, nine hundred sixty-five".