25985196 has 36 divisors (see below), whose sum is σ = 65875992. Its totient is φ = 8636544.

The previous prime is 25985191. The next prime is 25985209. The reversal of 25985196 is 69158952.

25985196 is a `hidden beast` number, since 2 + 598 + 51 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×25985196² = 1350460822316832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25985191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14755 + ... + 16421.

Almost surely, 2^25985196 is an apocalyptic number.

It is an amenable number.

25985196 is an abundant number, since it is smaller than the sum of its proper divisors (39890796).

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

25985196 is a wasteful number, since it uses less digits than its factorization.

25985196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110 (or 2105 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 25985196 is about 5097.5676552646. The cubic root of 25985196 is about 296.1933695097.

The spelling of 25985196 in words is "twenty-five million, nine hundred eighty-five thousand, one hundred ninety-six".