25816396 has 12 divisors (see below), whose sum is σ = 47143152. Its totient is φ = 12346928.

The previous prime is 25816391. The next prime is 25816423. The reversal of 25816396 is 69361852.

It is not an unprimeable number, because it can be changed into a prime (25816391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140215 + ... + 140398.

It is an arithmetic number, because the mean of its divisors is an integer number (3928596).

Almost surely, 2^25816396 is an apocalyptic number.

It is an amenable number.

25816396 is a deficient number, since it is larger than the sum of its proper divisors (21326756).

25816396 is a wasteful number, since it uses less digits than its factorization.

25816396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280640 (or 280638 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 25816396 is about 5080.9837630128. The cubic root of 25816396 is about 295.5506177109.

The spelling of 25816396 in words is "twenty-five million, eight hundred sixteen thousand, three hundred ninety-six".