25349039 has 2 divisors, whose sum is σ = 25349040. Its totient is φ = 25349038.

The previous prime is 25349003. The next prime is 25349047. The reversal of 25349039 is 93094352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25349039 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25349089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12674519 + 12674520.

It is an arithmetic number, because the mean of its divisors is an integer number (12674520).

Almost surely, 2^25349039 is an apocalyptic number.

25349039 is a deficient number, since it is larger than the sum of its proper divisors (1).

25349039 is an equidigital number, since it uses as much as digits as its factorization.

25349039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 25349039 is about 5034.7829148832. The cubic root of 25349039 is about 293.7562845192.

The spelling of 25349039 in words is "twenty-five million, three hundred forty-nine thousand, thirty-nine".