25464 has 16 divisors (see below), whose sum is σ = 63720. Its totient is φ = 8480.

The previous prime is 25463. The next prime is 25469. The reversal of 25464 is 46452.

It is a happy number.

25464 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 25464.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25464.

It is not an unprimeable number, because it can be changed into a prime (25463) 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, 507 + ... + 554.

2²⁵⁴⁶⁴ is an apocalyptic number.

25464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25464 is an abundant number, since it is smaller than the sum of its proper divisors (38256).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31860).

25464 is a wasteful number, since it uses less digits than its factorization.

25464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070 (or 1066 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 25464 is about 159.5744340425. The cubic root of 25464 is about 29.4199688486.

The spelling of 25464 in words is "twenty-five thousand, four hundred sixty-four".