25808085 has 32 divisors (see below), whose sum is σ = 46759680. Its totient is φ = 13500864.

The previous prime is 25808059. The next prime is 25808113. The reversal of 25808085 is 58080852.

It is not a de Polignac number, because 25808085 - 2⁸ = 25807829 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 5352 + ... + 8958.

It is an arithmetic number, because the mean of its divisors is an integer number (1461240).

Almost surely, 2^25808085 is an apocalyptic number.

It is an amenable number.

25808085 is a deficient number, since it is larger than the sum of its proper divisors (20951595).

25808085 is a wasteful number, since it uses less digits than its factorization.

25808085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674 (or 3668 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 25808085 is about 5080.1658437496. The cubic root of 25808085 is about 295.5188990464.

The spelling of 25808085 in words is "twenty-five million, eight hundred eight thousand, eighty-five".