25635065 has 16 divisors (see below), whose sum is σ = 32762880. Its totient is φ = 19188480.

The previous prime is 25635059. The next prime is 25635073. The reversal of 25635065 is 56053652.

It is not a de Polignac number, because 25635065 - 2⁸ = 25634809 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 15446 + ... + 17024.

It is an arithmetic number, because the mean of its divisors is an integer number (2047680).

Almost surely, 2^25635065 is an apocalyptic number.

It is an amenable number.

25635065 is a deficient number, since it is larger than the sum of its proper divisors (7127815).

25635065 is a wasteful number, since it uses less digits than its factorization.

25635065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 25635065 is about 5063.1082350667. The cubic root of 25635065 is about 294.8570215877.

The spelling of 25635065 in words is "twenty-five million, six hundred thirty-five thousand, sixty-five".