25059434417 has 2 divisors, whose sum is σ = 25059434418. Its totient is φ = 25059434416.

The previous prime is 25059434363. The next prime is 25059434423. The reversal of 25059434417 is 71443495052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25038631696 + 20802721 = 158236^2 + 4561^2 .

It is a cyclic number.

It is not a de Polignac number, because 25059434417 - 2¹⁸ = 25059172273 is a prime.

It is not a weakly prime, because it can be changed into another prime (25059434437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12529717208 + 12529717209.

It is an arithmetic number, because the mean of its divisors is an integer number (12529717209).

Almost surely, 2^25059434417 is an apocalyptic number.

It is an amenable number.

25059434417 is a deficient number, since it is larger than the sum of its proper divisors (1).

25059434417 is an equidigital number, since it uses as much as digits as its factorization.

25059434417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 25059434417 in words is "twenty-five billion, fifty-nine million, four hundred thirty-four thousand, four hundred seventeen".