25629628 has 12 divisors (see below), whose sum is σ = 45085600. Its totient is φ = 12748032.

The previous prime is 25629623. The next prime is 25629673. The reversal of 25629628 is 82692652.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25629623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15828 + ... + 17371.

Almost surely, 2^25629628 is an apocalyptic number.

It is an amenable number.

25629628 is a deficient number, since it is larger than the sum of its proper divisors (19455972).

25629628 is a wasteful number, since it uses less digits than its factorization.

25629628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33396 (or 33394 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 25629628 is about 5062.5712834488. The cubic root of 25629628 is about 294.8361744788.

The spelling of 25629628 in words is "twenty-five million, six hundred twenty-nine thousand, six hundred twenty-eight".