25969816 has 16 divisors (see below), whose sum is σ = 50264640. Its totient is φ = 12565920.

The previous prime is 25969793. The next prime is 25969817. The reversal of 25969816 is 61896952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25969817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52111 + ... + 52606.

It is an arithmetic number, because the mean of its divisors is an integer number (3141540).

Almost surely, 2^25969816 is an apocalyptic number.

It is an amenable number.

25969816 is a deficient number, since it is larger than the sum of its proper divisors (24294824).

25969816 is a wasteful number, since it uses less digits than its factorization.

25969816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104754 (or 104750 counting only the distinct ones).

The product of its digits is 233280, while the sum is 46.

The square root of 25969816 is about 5096.0588693617. The cubic root of 25969816 is about 296.1349214473.

The spelling of 25969816 in words is "twenty-five million, nine hundred sixty-nine thousand, eight hundred sixteen".