25132828 has 12 divisors (see below), whose sum is σ = 50265712. Its totient is φ = 10771200.

The previous prime is 25132777. The next prime is 25132841. The reversal of 25132828 is 82823152.

25132828 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 25132828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448773 + ... + 448828.

Almost surely, 2^25132828 is an apocalyptic number.

25132828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25132828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25132828 is a wasteful number, since it uses less digits than its factorization.

25132828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897612 (or 897610 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 25132828 is about 5013.2652034378. The cubic root of 25132828 is about 292.9187146141.

It can be divided in two parts, 2513282 and 8, that multiplied together give a square (20106256 = 4484²).

The spelling of 25132828 in words is "twenty-five million, one hundred thirty-two thousand, eight hundred twenty-eight".