683209313 has 2 divisors, whose sum is σ = 683209314. Its totient is φ = 683209312.

The previous prime is 683209283. The next prime is 683209367. The reversal of 683209313 is 313902386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 502118464 + 181090849 = 22408^2 + 13457^2 .

It is a cyclic number.

It is not a de Polignac number, because 683209313 - 2¹⁴ = 683192929 is a prime.

It is not a weakly prime, because it can be changed into another prime (683209393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341604656 + 341604657.

It is an arithmetic number, because the mean of its divisors is an integer number (341604657).

Almost surely, 2^683209313 is an apocalyptic number.

It is an amenable number.

683209313 is a deficient number, since it is larger than the sum of its proper divisors (1).

683209313 is an equidigital number, since it uses as much as digits as its factorization.

683209313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 683209313 is about 26138.2729536594. The cubic root of 683209313 is about 880.7471757687.

The spelling of 683209313 in words is "six hundred eighty-three million, two hundred nine thousand, three hundred thirteen".