25803328 has 28 divisors (see below), whose sum is σ = 51493420. Its totient is φ = 12828672.

The previous prime is 25803313. The next prime is 25803341. The reversal of 25803328 is 82330852.

It can be written as a sum of positive squares in 2 ways, for example, as 14992384 + 10810944 = 3872^2 + 3288^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25803328.

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, 11308 + ... + 13396.

Almost surely, 2^25803328 is an apocalyptic number.

It is an amenable number.

25803328 is a deficient number, since it is larger than the sum of its proper divisors (25690092).

25803328 is a wasteful number, since it uses less digits than its factorization.

25803328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294 (or 2284 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 25803328 is about 5079.6976287964. The cubic root of 25803328 is about 295.5007410443.

The spelling of 25803328 in words is "twenty-five million, eight hundred three thousand, three hundred twenty-eight".