25834865 has 32 divisors (see below), whose sum is σ = 37601280. Its totient is φ = 16657344.

The previous prime is 25834847. The next prime is 25834867. The reversal of 25834865 is 56843852.

It is a cyclic number.

It is not a de Polignac number, because 25834865 - 2⁶ = 25834801 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25834867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53696 + ... + 54174.

It is an arithmetic number, because the mean of its divisors is an integer number (1175040).

Almost surely, 2^25834865 is an apocalyptic number.

It is an amenable number.

25834865 is a deficient number, since it is larger than the sum of its proper divisors (11766415).

25834865 is a wasteful number, since it uses less digits than its factorization.

25834865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581.

The product of its digits is 230400, while the sum is 41.

The square root of 25834865 is about 5082.8009010781. The cubic root of 25834865 is about 295.6210796918.

The spelling of 25834865 in words is "twenty-five million, eight hundred thirty-four thousand, eight hundred sixty-five".