25996715 has 8 divisors (see below), whose sum is σ = 31308768. Its totient is φ = 20722240.

The previous prime is 25996703. The next prime is 25996771. The reversal of 25996715 is 51769952.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25996715 - 2⁴ = 25996699 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7847 + ... + 10656.

It is an arithmetic number, because the mean of its divisors is an integer number (3913596).

Almost surely, 2^25996715 is an apocalyptic number.

25996715 is a deficient number, since it is larger than the sum of its proper divisors (5312053).

25996715 is a wasteful number, since it uses less digits than its factorization.

25996715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18789.

The product of its digits is 170100, while the sum is 44.

The square root of 25996715 is about 5098.6973826655. The cubic root of 25996715 is about 296.2371296491.

The spelling of 25996715 in words is "twenty-five million, nine hundred ninety-six thousand, seven hundred fifteen".