25916315 has 16 divisors (see below), whose sum is σ = 32076000. Its totient is φ = 20090112.

The previous prime is 25916299. The next prime is 25916321. The reversal of 25916315 is 51361952.

It is a cyclic number.

It is not a de Polignac number, because 25916315 - 2⁴ = 25916299 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, 31631 + ... + 32439.

It is an arithmetic number, because the mean of its divisors is an integer number (2004750).

Almost surely, 2^25916315 is an apocalyptic number.

25916315 is a deficient number, since it is larger than the sum of its proper divisors (6159685).

25916315 is a wasteful number, since it uses less digits than its factorization.

25916315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006.

The product of its digits is 8100, while the sum is 32.

The square root of 25916315 is about 5090.8069105005. The cubic root of 25916315 is about 295.9314235768.

The spelling of 25916315 in words is "twenty-five million, nine hundred sixteen thousand, three hundred fifteen".