320041717 has 2 divisors, whose sum is σ = 320041718. Its totient is φ = 320041716.

The previous prime is 320041693. The next prime is 320041721. The reversal of 320041717 is 717140023.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286760356 + 33281361 = 16934^2 + 5769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320041717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320041691 and 320041700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320041747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160020858 + 160020859.

It is an arithmetic number, because the mean of its divisors is an integer number (160020859).

Almost surely, 2^320041717 is an apocalyptic number.

It is an amenable number.

320041717 is a deficient number, since it is larger than the sum of its proper divisors (1).

320041717 is an equidigital number, since it uses as much as digits as its factorization.

320041717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 320041717 is about 17889.7098075961. The cubic root of 320041717 is about 684.0201003236.

The spelling of 320041717 in words is "three hundred twenty million, forty-one thousand, seven hundred seventeen".