25985895 has 16 divisors (see below), whose sum is σ = 44776032. Its totient is φ = 12792960.

The previous prime is 25985891. The next prime is 25985933. The reversal of 25985895 is 59858952.

It is not a de Polignac number, because 25985895 - 2² = 25985891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25985891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66436 + ... + 66825.

It is an arithmetic number, because the mean of its divisors is an integer number (2798502).

Almost surely, 2^25985895 is an apocalyptic number.

25985895 is a deficient number, since it is larger than the sum of its proper divisors (18790137).

25985895 is a wasteful number, since it uses less digits than its factorization.

25985895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133282.

The product of its digits is 1296000, while the sum is 51.

The square root of 25985895 is about 5097.6362169147. The cubic root of 25985895 is about 296.1960253463.

The spelling of 25985895 in words is "twenty-five million, nine hundred eighty-five thousand, eight hundred ninety-five".