25997196 has 24 divisors (see below), whose sum is σ = 61036864. Its totient is φ = 8611920.

The previous prime is 25997183. The next prime is 25997227. The reversal of 25997196 is 69179952.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4690 + ... + 8601.

Almost surely, 2^25997196 is an apocalyptic number.

It is an amenable number.

25997196 is an abundant number, since it is smaller than the sum of its proper divisors (35039668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25997196 is a wasteful number, since it uses less digits than its factorization.

25997196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13461 (or 13459 counting only the distinct ones).

The product of its digits is 306180, while the sum is 48.

The square root of 25997196 is about 5098.7445513577. The cubic root of 25997196 is about 296.2389566643.

The spelling of 25997196 in words is "twenty-five million, nine hundred ninety-seven thousand, one hundred ninety-six".