513425105717 has 2 divisors, whose sum is σ = 513425105718. Its totient is φ = 513425105716.

The previous prime is 513425105603. The next prime is 513425105729. The reversal of 513425105717 is 717501524315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286226070001 + 227199035716 = 535001^2 + 476654^2 .

It is a cyclic number.

It is not a de Polignac number, because 513425105717 - 2¹⁰ = 513425104693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513425105737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256712552858 + 256712552859.

It is an arithmetic number, because the mean of its divisors is an integer number (256712552859).

Almost surely, 2^513425105717 is an apocalyptic number.

It is an amenable number.

513425105717 is a deficient number, since it is larger than the sum of its proper divisors (1).

513425105717 is an equidigital number, since it uses as much as digits as its factorization.

513425105717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147000, while the sum is 41.

The spelling of 513425105717 in words is "five hundred thirteen billion, four hundred twenty-five million, one hundred five thousand, seven hundred seventeen".