513514245397 has 2 divisors, whose sum is σ = 513514245398. Its totient is φ = 513514245396.

The previous prime is 513514245323. The next prime is 513514245443. The reversal of 513514245397 is 793542415315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 502303882756 + 11210362641 = 708734^2 + 105879^2 .

It is a cyclic number.

It is not a de Polignac number, because 513514245397 - 2²³ = 513505856789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513514245397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513514245197) 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, 256757122698 + 256757122699.

It is an arithmetic number, because the mean of its divisors is an integer number (256757122699).

Almost surely, 2^513514245397 is an apocalyptic number.

It is an amenable number.

513514245397 is a deficient number, since it is larger than the sum of its proper divisors (1).

513514245397 is an equidigital number, since it uses as much as digits as its factorization.

513514245397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268000, while the sum is 49.

The spelling of 513514245397 in words is "five hundred thirteen billion, five hundred fourteen million, two hundred forty-five thousand, three hundred ninety-seven".