25891952 has 20 divisors (see below), whose sum is σ = 53117136. Its totient is φ = 12184320.

The previous prime is 25891937. The next prime is 25891963. The reversal of 25891952 is 25919852.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 47324 + ... + 47867.

Almost surely, 2^25891952 is an apocalyptic number.

It is an amenable number.

25891952 is an abundant number, since it is smaller than the sum of its proper divisors (27225184).

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

25891952 is a wasteful number, since it uses less digits than its factorization.

25891952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95216 (or 95210 counting only the distinct ones).

The product of its digits is 64800, while the sum is 41.

The square root of 25891952 is about 5088.4135052097. The cubic root of 25891952 is about 295.8386629911.

The spelling of 25891952 in words is "twenty-five million, eight hundred ninety-one thousand, nine hundred fifty-two".