25690568 has 16 divisors (see below), whose sum is σ = 49724160. Its totient is φ = 12430800.

The previous prime is 25690523. The next prime is 25690571. The reversal of 25690568 is 86509652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51548 + ... + 52043.

It is an arithmetic number, because the mean of its divisors is an integer number (3107760).

Almost surely, 2^25690568 is an apocalyptic number.

It is an amenable number.

25690568 is a deficient number, since it is larger than the sum of its proper divisors (24033592).

25690568 is a wasteful number, since it uses less digits than its factorization.

25690568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103628 (or 103624 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 25690568 is about 5068.5863907011. The cubic root of 25690568 is about 295.0696685019.

The spelling of 25690568 in words is "twenty-five million, six hundred ninety thousand, five hundred sixty-eight".