25913930 has 16 divisors (see below), whose sum is σ = 53308800. Its totient is φ = 8884752.

The previous prime is 25913911. The next prime is 25913941. The reversal of 25913930 is 3931952.

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, 185030 + ... + 185169.

It is an arithmetic number, because the mean of its divisors is an integer number (3331800).

Almost surely, 2^25913930 is an apocalyptic number.

25913930 is an abundant number, since it is smaller than the sum of its proper divisors (27394870).

25913930 is a wasteful number, since it uses less digits than its factorization.

25913930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370213.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 25913930 is about 5090.5726593380. The cubic root of 25913930 is about 295.9223454073.

The spelling of 25913930 in words is "twenty-five million, nine hundred thirteen thousand, nine hundred thirty".