25460664 has 16 divisors (see below), whose sum is σ = 63651720. Its totient is φ = 8486880.

The previous prime is 25460663. The next prime is 25460681. The reversal of 25460664 is 46606452.

It is a super-2 number, since 2×25460664² = 1296490822641792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25460663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530407 + ... + 530454.

Almost surely, 2^25460664 is an apocalyptic number.

25460664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25460664 is an abundant number, since it is smaller than the sum of its proper divisors (38191056).

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

25460664 is a wasteful number, since it uses less digits than its factorization.

25460664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060870 (or 1060866 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 25460664 is about 5045.8561216111. The cubic root of 25460664 is about 294.1868403730.

The spelling of 25460664 in words is "twenty-five million, four hundred sixty thousand, six hundred sixty-four".