25053939 has 6 divisors (see below), whose sum is σ = 36189036. Its totient is φ = 16702620.

The previous prime is 25053893. The next prime is 25053947. The reversal of 25053939 is 93935052.

It is a de Polignac number, because none of the positive numbers 2^k-25053939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25053949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1391877 + ... + 1391894.

It is an arithmetic number, because the mean of its divisors is an integer number (6031506).

Almost surely, 2^25053939 is an apocalyptic number.

25053939 is a deficient number, since it is larger than the sum of its proper divisors (11135097).

25053939 is a wasteful number, since it uses less digits than its factorization.

25053939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783777 (or 2783774 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 36.

The square root of 25053939 is about 5005.3909937187. The cubic root of 25053939 is about 292.6119142205.

The spelling of 25053939 in words is "twenty-five million, fifty-three thousand, nine hundred thirty-nine".