25697882 has 32 divisors (see below), whose sum is σ = 45287424. Its totient is φ = 10710000.

The previous prime is 25697873. The next prime is 25697887. The reversal of 25697882 is 28879652.

It is a super-2 number, since 2×25697882² = 1320762278571848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25697887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102257 + ... + 102507.

It is an arithmetic number, because the mean of its divisors is an integer number (1415232).

Almost surely, 2^25697882 is an apocalyptic number.

25697882 is a deficient number, since it is larger than the sum of its proper divisors (19589542).

25697882 is a wasteful number, since it uses less digits than its factorization.

25697882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its digits is 483840, while the sum is 47.

The square root of 25697882 is about 5069.3078422996. The cubic root of 25697882 is about 295.0976675557.

The spelling of 25697882 in words is "twenty-five million, six hundred ninety-seven thousand, eight hundred eighty-two".