25330939 has 4 divisors (see below), whose sum is σ = 25343656. Its totient is φ = 25318224.

The previous prime is 25330931. The next prime is 25330961. The reversal of 25330939 is 93903352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25330939 - 2³ = 25330931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25330931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2649 + ... + 7594.

It is an arithmetic number, because the mean of its divisors is an integer number (6335914).

Almost surely, 2^25330939 is an apocalyptic number.

25330939 is a deficient number, since it is larger than the sum of its proper divisors (12717).

25330939 is a wasteful number, since it uses less digits than its factorization.

25330939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12716.

The product of its (nonzero) digits is 21870, while the sum is 34.

The square root of 25330939 is about 5032.9850983288. The cubic root of 25330939 is about 293.6863508392.

The spelling of 25330939 in words is "twenty-five million, three hundred thirty thousand, nine hundred thirty-nine".