25530460 has 24 divisors (see below), whose sum is σ = 55946016. Its totient is φ = 9768000.

The previous prime is 25530403. The next prime is 25530493. The reversal of 25530460 is 6403552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27291 + ... + 28210.

It is an arithmetic number, because the mean of its divisors is an integer number (2331084).

Almost surely, 2^25530460 is an apocalyptic number.

25530460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25530460 is an abundant number, since it is smaller than the sum of its proper divisors (30415556).

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

25530460 is a wasteful number, since it uses less digits than its factorization.

25530460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55533 (or 55531 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 25530460 is about 5052.7675584772. The cubic root of 25530460 is about 294.4554158590.

The spelling of 25530460 in words is "twenty-five million, five hundred thirty thousand, four hundred sixty".