25328930 has 40 divisors (see below), whose sum is σ = 50440860. Its totient is φ = 9157280.

The previous prime is 25328923. The next prime is 25328951. The reversal of 25328930 is 3982352.

It can be written as a sum of positive squares in 2 ways, for example, as 24611521 + 717409 = 4961^2 + 847^2 .

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 146324 + ... + 146496.

Almost surely, 2^25328930 is an apocalyptic number.

25328930 is a deficient number, since it is larger than the sum of its proper divisors (25111930).

25328930 is an equidigital number, since it uses as much as digits as its factorization.

25328930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 25328930 is about 5032.7855110267. The cubic root of 25328930 is about 293.6785865333.

The spelling of 25328930 in words is "twenty-five million, three hundred twenty-eight thousand, nine hundred thirty".