25913424 has 20 divisors (see below), whose sum is σ = 66943136. Its totient is φ = 8637792.

The previous prime is 25913417. The next prime is 25913441. The reversal of 25913424 is 42431952.

It is a junction number, because it is equal to n+sod(n) for n = 25913391 and 25913400.

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, 269884 + ... + 269979.

Almost surely, 2^25913424 is an apocalyptic number.

25913424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25913424 is an abundant number, since it is smaller than the sum of its proper divisors (41029712).

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

25913424 is a wasteful number, since it uses less digits than its factorization.

25913424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539874 (or 539868 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 25913424 is about 5090.5229593825. The cubic root of 25913424 is about 295.9204193173.

The spelling of 25913424 in words is "twenty-five million, nine hundred thirteen thousand, four hundred twenty-four".