25041255439 has 2 divisors, whose sum is σ = 25041255440. Its totient is φ = 25041255438.

The previous prime is 25041255413. The next prime is 25041255457. The reversal of 25041255439 is 93455214052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25041255439 - 2¹⁵ = 25041222671 is a prime.

It is a super-2 number, since 2×25041255439² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25041255539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12520627719 + 12520627720.

It is an arithmetic number, because the mean of its divisors is an integer number (12520627720).

Almost surely, 2^25041255439 is an apocalyptic number.

25041255439 is a deficient number, since it is larger than the sum of its proper divisors (1).

25041255439 is an equidigital number, since it uses as much as digits as its factorization.

25041255439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 25041255439 in words is "twenty-five billion, forty-one million, two hundred fifty-five thousand, four hundred thirty-nine".