25982231 has 16 divisors (see below), whose sum is σ = 29721600. Its totient is φ = 22495200.

The previous prime is 25982227. The next prime is 25982261. The reversal of 25982231 is 13228952.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25982231 - 2² = 25982227 is a prime.

It is a super-2 number, since 2×25982231² = 1350152655474722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25982261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24686 + ... + 25716.

It is an arithmetic number, because the mean of its divisors is an integer number (1857600).

Almost surely, 2^25982231 is an apocalyptic number.

25982231 is a deficient number, since it is larger than the sum of its proper divisors (3739369).

25982231 is a wasteful number, since it uses less digits than its factorization.

25982231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150.

The product of its digits is 8640, while the sum is 32.

The square root of 25982231 is about 5097.2768219903. The cubic root of 25982231 is about 296.1821035213.

The spelling of 25982231 in words is "twenty-five million, nine hundred eighty-two thousand, two hundred thirty-one".