25466631 has 16 divisors (see below), whose sum is σ = 35975040. Its totient is φ = 15979680.

The previous prime is 25466587. The next prime is 25466653. The reversal of 25466631 is 13666452.

It is not a de Polignac number, because 25466631 - 2⁷ = 25466503 is a prime.

It is a super-2 number, since 2×25466631² = 1297098588980322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25466592 and 25466601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25466131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7921 + ... + 10661.

It is an arithmetic number, because the mean of its divisors is an integer number (2248440).

Almost surely, 2^25466631 is an apocalyptic number.

25466631 is a deficient number, since it is larger than the sum of its proper divisors (10508409).

25466631 is a wasteful number, since it uses less digits than its factorization.

25466631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926.

The product of its digits is 25920, while the sum is 33.

The square root of 25466631 is about 5046.4473642356. The cubic root of 25466631 is about 294.2098206033.

The spelling of 25466631 in words is "twenty-five million, four hundred sixty-six thousand, six hundred thirty-one".