8513043317 has 2 divisors, whose sum is σ = 8513043318. Its totient is φ = 8513043316.

The previous prime is 8513043311. The next prime is 8513043367. The reversal of 8513043317 is 7133403158.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8513014756 + 28561 = 92266^2 + 169^2 .

It is a cyclic number.

It is not a de Polignac number, because 8513043317 - 2²⁴ = 8496266101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8513043311) 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, 4256521658 + 4256521659.

It is an arithmetic number, because the mean of its divisors is an integer number (4256521659).

Almost surely, 2^8513043317 is an apocalyptic number.

It is an amenable number.

8513043317 is a deficient number, since it is larger than the sum of its proper divisors (1).

8513043317 is an equidigital number, since it uses as much as digits as its factorization.

8513043317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 8513043317 is about 92266.1547751937. The cubic root of 8513043317 is about 2041.8709061161.

The spelling of 8513043317 in words is "eight billion, five hundred thirteen million, forty-three thousand, three hundred seventeen".