25595039 has 2 divisors, whose sum is σ = 25595040. Its totient is φ = 25595038.

The previous prime is 25595027. The next prime is 25595093. The reversal of 25595039 is 93059552.

Together with next prime (25595093) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25595039 - 2¹⁶ = 25529503 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25594993 and 25595011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25595639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12797519 + 12797520.

It is an arithmetic number, because the mean of its divisors is an integer number (12797520).

Almost surely, 2^25595039 is an apocalyptic number.

25595039 is a deficient number, since it is larger than the sum of its proper divisors (1).

25595039 is an equidigital number, since it uses as much as digits as its factorization.

25595039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60750, while the sum is 38.

The square root of 25595039 is about 5059.1539806572. The cubic root of 25595039 is about 294.7034806610.

The spelling of 25595039 in words is "twenty-five million, five hundred ninety-five thousand, thirty-nine".