25430930 has 32 divisors (see below), whose sum is σ = 55071360. Its totient is φ = 8259840.

The previous prime is 25430917. The next prime is 25430953. The reversal of 25430930 is 3903452.

It is a self number, because there is not a number n which added to its sum of digits gives 25430930.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8231 + ... + 10890.

It is an arithmetic number, because the mean of its divisors is an integer number (1720980).

Almost surely, 2^25430930 is an apocalyptic number.

25430930 is an abundant number, since it is smaller than the sum of its proper divisors (29640430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25430930 is a wasteful number, since it uses less digits than its factorization.

25430930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19154.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 25430930 is about 5042.9088827779. The cubic root of 25430930 is about 294.0722746401.

The spelling of 25430930 in words is "twenty-five million, four hundred thirty thousand, nine hundred thirty".