25492838 has 24 divisors (see below), whose sum is σ = 45246600. Its totient is φ = 10737888.

The previous prime is 25492829. The next prime is 25492867. The reversal of 25492838 is 83829452.

It is a junction number, because it is equal to n+sod(n) for n = 25492795 and 25492804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3578 + ... + 7986.

It is an arithmetic number, because the mean of its divisors is an integer number (1885275).

Almost surely, 2^25492838 is an apocalyptic number.

25492838 is a deficient number, since it is larger than the sum of its proper divisors (19753762).

25492838 is a wasteful number, since it uses less digits than its factorization.

25492838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484 (or 4477 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 25492838 is about 5049.0432757108. The cubic root of 25492838 is about 294.3107070461.

The spelling of 25492838 in words is "twenty-five million, four hundred ninety-two thousand, eight hundred thirty-eight".