25684828 has 12 divisors (see below), whose sum is σ = 48406120. Its totient is φ = 11854512.

The previous prime is 25684811. The next prime is 25684829. The reversal of 25684828 is 82848652.

It is a hoax number, since the sum of its digits (43) 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 (25684829) 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, 246918 + ... + 247021.

Almost surely, 2^25684828 is an apocalyptic number.

It is an amenable number.

25684828 is a deficient number, since it is larger than the sum of its proper divisors (22721292).

25684828 is a wasteful number, since it uses less digits than its factorization.

25684828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493956 (or 493954 counting only the distinct ones).

The product of its digits is 245760, while the sum is 43.

The square root of 25684828 is about 5068.0201262426. The cubic root of 25684828 is about 295.0476912267.

It can be divided in two parts, 2568 and 4828, that added together give a square (7396 = 86²).

The spelling of 25684828 in words is "twenty-five million, six hundred eighty-four thousand, eight hundred twenty-eight".