25312266 has 24 divisors (see below), whose sum is σ = 62678304. Its totient is φ = 7232040.

The previous prime is 25312253. The next prime is 25312267. The reversal of 25312266 is 66221352.

It is not an unprimeable number, because it can be changed into a prime (25312267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100320 + ... + 100571.

It is an arithmetic number, because the mean of its divisors is an integer number (2611596).

Almost surely, 2^25312266 is an apocalyptic number.

25312266 is an abundant number, since it is smaller than the sum of its proper divisors (37366038).

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

25312266 is a wasteful number, since it uses less digits than its factorization.

25312266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200906 (or 200903 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 25312266 is about 5031.1296942138. The cubic root of 25312266 is about 293.6141683155.

The spelling of 25312266 in words is "twenty-five million, three hundred twelve thousand, two hundred sixty-six".