25828328 has 32 divisors (see below), whose sum is σ = 50479200. Its totient is φ = 12374208.

The previous prime is 25828307. The next prime is 25828343. The reversal of 25828328 is 82382852.

It is a junction number, because it is equal to n+sod(n) for n = 25828291 and 25828300.

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, 37475 + ... + 38157.

It is an arithmetic number, because the mean of its divisors is an integer number (1577475).

Almost surely, 2^25828328 is an apocalyptic number.

It is an amenable number.

25828328 is a deficient number, since it is larger than the sum of its proper divisors (24650872).

25828328 is a wasteful number, since it uses less digits than its factorization.

25828328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 877 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 25828328 is about 5082.1578094349. The cubic root of 25828328 is about 295.5961439056.

The spelling of 25828328 in words is "twenty-five million, eight hundred twenty-eight thousand, three hundred twenty-eight".