25682636 has 12 divisors (see below), whose sum is σ = 51365328. Its totient is φ = 11006832.

The previous prime is 25682611. The next prime is 25682659. The reversal of 25682636 is 63628652.

25682636 is an admirable number.

It is a hoax number, since the sum of its digits (38) 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 25682636.

It is an unprimeable number.

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, 458591 + ... + 458646.

It is an arithmetic number, because the mean of its divisors is an integer number (4280444).

Almost surely, 2^25682636 is an apocalyptic number.

It is an amenable number.

25682636 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.

25682636 is a wasteful number, since it uses less digits than its factorization.

25682636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917248 (or 917246 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 25682636 is about 5067.8038636080. The cubic root of 25682636 is about 295.0392976471.

The spelling of 25682636 in words is "twenty-five million, six hundred eighty-two thousand, six hundred thirty-six".