25302928 has 20 divisors (see below), whose sum is σ = 56028160. Its totient is φ = 10844064.

The previous prime is 25302923. The next prime is 25302943. The reversal of 25302928 is 82920352.

It is a self number, because there is not a number n which added to its sum of digits gives 25302928.

It is not an unprimeable number, because it can be changed into a prime (25302923) 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, 112848 + ... + 113071.

It is an arithmetic number, because the mean of its divisors is an integer number (2801408).

Almost surely, 2^25302928 is an apocalyptic number.

25302928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25302928 is an abundant number, since it is smaller than the sum of its proper divisors (30725232).

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

25302928 is a wasteful number, since it uses less digits than its factorization.

25302928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225934 (or 225928 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 25302928 is about 5030.2015864178. The cubic root of 25302928 is about 293.5780579394.

The spelling of 25302928 in words is "twenty-five million, three hundred two thousand, nine hundred twenty-eight".