513165452197 has 2 divisors, whose sum is σ = 513165452198. Its totient is φ = 513165452196.

The previous prime is 513165452183. The next prime is 513165452201. The reversal of 513165452197 is 791254561315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 446296146916 + 66869305281 = 668054^2 + 258591^2 .

It is a cyclic number.

It is not a de Polignac number, because 513165452197 - 2¹⁹ = 513164927909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513165452197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513165452147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256582726098 + 256582726099.

It is an arithmetic number, because the mean of its divisors is an integer number (256582726099).

Almost surely, 2^513165452197 is an apocalyptic number.

It is an amenable number.

513165452197 is a deficient number, since it is larger than the sum of its proper divisors (1).

513165452197 is an equidigital number, since it uses as much as digits as its factorization.

513165452197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134000, while the sum is 49.

The spelling of 513165452197 in words is "five hundred thirteen billion, one hundred sixty-five million, four hundred fifty-two thousand, one hundred ninety-seven".