320160517 has 2 divisors, whose sum is σ = 320160518. Its totient is φ = 320160516.

The previous prime is 320160497. The next prime is 320160521. The reversal of 320160517 is 715061023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208773601 + 111386916 = 14449^2 + 10554^2 .

It is a cyclic number.

It is not a de Polignac number, because 320160517 - 2⁷ = 320160389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320160491 and 320160500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320160557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160080258 + 160080259.

It is an arithmetic number, because the mean of its divisors is an integer number (160080259).

Almost surely, 2^320160517 is an apocalyptic number.

It is an amenable number.

320160517 is a deficient number, since it is larger than the sum of its proper divisors (1).

320160517 is an equidigital number, since it uses as much as digits as its factorization.

320160517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 320160517 is about 17893.0298440482. The cubic root of 320160517 is about 684.1047263071.

The spelling of 320160517 in words is "three hundred twenty million, one hundred sixty thousand, five hundred seventeen".