25982136 has 24 divisors (see below), whose sum is σ = 70368480. Its totient is φ = 8660688.

The previous prime is 25982113. The next prime is 25982141. The reversal of 25982136 is 63128952.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×25982136² = 1350142782244992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 25982136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180360 + ... + 180503.

It is an arithmetic number, because the mean of its divisors is an integer number (2932020).

Almost surely, 2^25982136 is an apocalyptic number.

It is an amenable number.

25982136 is an abundant number, since it is smaller than the sum of its proper divisors (44386344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25982136 is a wasteful number, since it uses less digits than its factorization.

25982136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360875 (or 360868 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 25982136 is about 5097.2675032806. The cubic root of 25982136 is about 296.1817425396.

The spelling of 25982136 in words is "twenty-five million, nine hundred eighty-two thousand, one hundred thirty-six".