25278832 has 20 divisors (see below), whose sum is σ = 49710856. Its totient is φ = 12450240.

The previous prime is 25278821. The next prime is 25278833. The reversal of 25278832 is 23887252.

It is a junction number, because it is equal to n+sod(n) for n = 25278791 and 25278800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25278833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10719 + ... + 12862.

Almost surely, 2^25278832 is an apocalyptic number.

It is an amenable number.

25278832 is a deficient number, since it is larger than the sum of its proper divisors (24432024).

25278832 is a wasteful number, since it uses less digits than its factorization.

25278832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23656 (or 23650 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 25278832 is about 5027.8058832855. The cubic root of 25278832 is about 293.4848367963.

The spelling of 25278832 in words is "twenty-five million, two hundred seventy-eight thousand, eight hundred thirty-two".