25934865 has 16 divisors (see below), whose sum is σ = 45268416. Its totient is φ = 12574400.

The previous prime is 25934851. The next prime is 25934873. The reversal of 25934865 is 56843952.

It is not a de Polignac number, because 25934865 - 2⁴ = 25934849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78426 + ... + 78755.

It is an arithmetic number, because the mean of its divisors is an integer number (2829276).

Almost surely, 2^25934865 is an apocalyptic number.

It is an amenable number.

25934865 is a deficient number, since it is larger than the sum of its proper divisors (19333551).

25934865 is a wasteful number, since it uses less digits than its factorization.

25934865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157200.

The product of its digits is 259200, while the sum is 42.

The square root of 25934865 is about 5092.6284961697. The cubic root of 25934865 is about 296.0020125563.

The spelling of 25934865 in words is "twenty-five million, nine hundred thirty-four thousand, eight hundred sixty-five".