25145039 has 2 divisors, whose sum is σ = 25145040. Its totient is φ = 25145038.

The previous prime is 25145027. The next prime is 25145051. The reversal of 25145039 is 93054152.

It is a balanced prime because it is at equal distance from previous prime (25145027) and next prime (25145051).

It is a cyclic number.

It is not a de Polignac number, because 25145039 - 2⁸ = 25144783 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 (25145009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12572519 + 12572520.

It is an arithmetic number, because the mean of its divisors is an integer number (12572520).

Almost surely, 2^25145039 is an apocalyptic number.

25145039 is a deficient number, since it is larger than the sum of its proper divisors (1).

25145039 is an equidigital number, since it uses as much as digits as its factorization.

25145039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 25145039 is about 5014.4829244898. The cubic root of 25145039 is about 292.9661459564.

The spelling of 25145039 in words is "twenty-five million, one hundred forty-five thousand, thirty-nine".