25392675613 has 2 divisors, whose sum is σ = 25392675614. Its totient is φ = 25392675612.

The previous prime is 25392675563. The next prime is 25392675619. The reversal of 25392675613 is 31657629352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25172360964 + 220314649 = 158658^2 + 14843^2 .

It is a cyclic number.

It is not a de Polignac number, because 25392675613 - 2²¹ = 25390578461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25392675619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12696337806 + 12696337807.

It is an arithmetic number, because the mean of its divisors is an integer number (12696337807).

Almost surely, 2^25392675613 is an apocalyptic number.

It is an amenable number.

25392675613 is a deficient number, since it is larger than the sum of its proper divisors (1).

25392675613 is an equidigital number, since it uses as much as digits as its factorization.

25392675613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 49.

The spelling of 25392675613 in words is "twenty-five billion, three hundred ninety-two million, six hundred seventy-five thousand, six hundred thirteen".