683321017 has 2 divisors, whose sum is σ = 683321018. Its totient is φ = 683321016.

The previous prime is 683321011. The next prime is 683321071. The reversal of 683321017 is 710123386.

Together with next prime (683321071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 679175721 + 4145296 = 26061^2 + 2036^2 .

It is a cyclic number.

It is not a de Polignac number, because 683321017 - 2⁷ = 683320889 is a prime.

It is a super-2 number, since 2×683321017² = 933855224547828578, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 683321017.

It is not a weakly prime, because it can be changed into another prime (683321011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341660508 + 341660509.

It is an arithmetic number, because the mean of its divisors is an integer number (341660509).

Almost surely, 2^683321017 is an apocalyptic number.

It is an amenable number.

683321017 is a deficient number, since it is larger than the sum of its proper divisors (1).

683321017 is an equidigital number, since it uses as much as digits as its factorization.

683321017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 683321017 is about 26140.4096563156. The cubic root of 683321017 is about 880.7951735634.

The spelling of 683321017 in words is "six hundred eighty-three million, three hundred twenty-one thousand, seventeen".