25071441413 has 2 divisors, whose sum is σ = 25071441414. Its totient is φ = 25071441412.

The previous prime is 25071441401. The next prime is 25071441467. The reversal of 25071441413 is 31414417052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24255882049 + 815559364 = 155743^2 + 28558^2 .

It is a cyclic number.

It is not a de Polignac number, because 25071441413 - 2⁶ = 25071441349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25071441413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25071441113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12535720706 + 12535720707.

It is an arithmetic number, because the mean of its divisors is an integer number (12535720707).

Almost surely, 2^25071441413 is an apocalyptic number.

It is an amenable number.

25071441413 is a deficient number, since it is larger than the sum of its proper divisors (1).

25071441413 is an equidigital number, since it uses as much as digits as its factorization.

25071441413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 25071441413 its reverse (31414417052), we get a palindrome (56485858465).

The spelling of 25071441413 in words is "twenty-five billion, seventy-one million, four hundred forty-one thousand, four hundred thirteen".