25030939 has 2 divisors, whose sum is σ = 25030940. Its totient is φ = 25030938.

The previous prime is 25030937. The next prime is 25030949. The reversal of 25030939 is 93903052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25030939 - 2¹ = 25030937 is a prime.

Together with 25030937, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25030939.

It is not a weakly prime, because it can be changed into another prime (25030933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12515469 + 12515470.

It is an arithmetic number, because the mean of its divisors is an integer number (12515470).

Almost surely, 2^25030939 is an apocalyptic number.

25030939 is a deficient number, since it is larger than the sum of its proper divisors (1).

25030939 is an equidigital number, since it uses as much as digits as its factorization.

25030939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 25030939 is about 5003.0929433701. The cubic root of 25030939 is about 292.5223456764.

The spelling of 25030939 in words is "twenty-five million, thirty thousand, nine hundred thirty-nine".