25628930 has 16 divisors (see below), whose sum is σ = 46194624. Its totient is φ = 10237680.

The previous prime is 25628921. The next prime is 25628947. The reversal of 25628930 is 3982652.

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, 9425 + ... + 11835.

It is an arithmetic number, because the mean of its divisors is an integer number (2887164).

Almost surely, 2^25628930 is an apocalyptic number.

25628930 is a deficient number, since it is larger than the sum of its proper divisors (20565694).

25628930 is a wasteful number, since it uses less digits than its factorization.

25628930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 25628930 is about 5062.5023456785. The cubic root of 25628930 is about 294.8334979213.

The spelling of 25628930 in words is "twenty-five million, six hundred twenty-eight thousand, nine hundred thirty".