25381696 has 56 divisors (see below), whose sum is σ = 53913024. Its totient is φ = 11827200.

The previous prime is 25381679. The next prime is 25381709. The reversal of 25381696 is 69618352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63096 + ... + 63496.

Almost surely, 2^25381696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25381696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26956512).

25381696 is an abundant number, since it is smaller than the sum of its proper divisors (28531328).

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

25381696 is a wasteful number, since it uses less digits than its factorization.

25381696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 469 counting only the distinct ones).

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

The square root of 25381696 is about 5038.0250098625. The cubic root of 25381696 is about 293.8823784816.

The spelling of 25381696 in words is "twenty-five million, three hundred eighty-one thousand, six hundred ninety-six".