25303628 has 12 divisors (see below), whose sum is σ = 50607312. Its totient is φ = 10844400.

The previous prime is 25303613. The next prime is 25303637. The reversal of 25303628 is 82630352.

25303628 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25303628.

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, 451823 + ... + 451878.

It is an arithmetic number, because the mean of its divisors is an integer number (4217276).

Almost surely, 2^25303628 is an apocalyptic number.

25303628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25303628 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.

25303628 is a wasteful number, since it uses less digits than its factorization.

25303628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903712 (or 903710 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 25303628 is about 5030.2711656530. The cubic root of 25303628 is about 293.5807651722.

The spelling of 25303628 in words is "twenty-five million, three hundred three thousand, six hundred twenty-eight".