25421196 has 12 divisors (see below), whose sum is σ = 59316152. Its totient is φ = 8473728.

The previous prime is 25421161. The next prime is 25421237. The reversal of 25421196 is 69112452.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059205 + ... + 1059228.

Almost surely, 2^25421196 is an apocalyptic number.

It is an amenable number.

25421196 is an abundant number, since it is smaller than the sum of its proper divisors (33894956).

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

25421196 is a wasteful number, since it uses less digits than its factorization.

25421196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118440 (or 2118438 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 25421196 is about 5041.9436728309. The cubic root of 25421196 is about 294.0347499302.

The spelling of 25421196 in words is "twenty-five million, four hundred twenty-one thousand, one hundred ninety-six".