25014439 has 2 divisors, whose sum is σ = 25014440. Its totient is φ = 25014438.

The previous prime is 25014421. The next prime is 25014449. The reversal of 25014439 is 93441052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25014439 - 2⁹ = 25013927 is a 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 (25014449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12507219 + 12507220.

It is an arithmetic number, because the mean of its divisors is an integer number (12507220).

Almost surely, 2^25014439 is an apocalyptic number.

25014439 is a deficient number, since it is larger than the sum of its proper divisors (1).

25014439 is an equidigital number, since it uses as much as digits as its factorization.

25014439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 25014439 is about 5001.4436915755. The cubic root of 25014439 is about 292.4580561767.

The spelling of 25014439 in words is "twenty-five million, fourteen thousand, four hundred thirty-nine".