513322223287 has 2 divisors, whose sum is σ = 513322223288. Its totient is φ = 513322223286.

The previous prime is 513322223263. The next prime is 513322223321. The reversal of 513322223287 is 782322223315.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513322223287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513322223387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256661111643 + 256661111644.

It is an arithmetic number, because the mean of its divisors is an integer number (256661111644).

Almost surely, 2^513322223287 is an apocalyptic number.

513322223287 is a deficient number, since it is larger than the sum of its proper divisors (1).

513322223287 is an equidigital number, since it uses as much as digits as its factorization.

513322223287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 40.

The spelling of 513322223287 in words is "five hundred thirteen billion, three hundred twenty-two million, two hundred twenty-three thousand, two hundred eighty-seven".