683660333 has 2 divisors, whose sum is σ = 683660334. Its totient is φ = 683660332.

The previous prime is 683660323. The next prime is 683660371. The reversal of 683660333 is 333066386.

It is a happy number.

It is an a-pointer prime, because the next prime (683660371) can be obtained adding 683660333 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 680844649 + 2815684 = 26093^2 + 1678^2 .

It is a cyclic number.

It is not a de Polignac number, because 683660333 - 2¹⁰ = 683659309 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683660323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341830166 + 341830167.

It is an arithmetic number, because the mean of its divisors is an integer number (341830167).

Almost surely, 2^683660333 is an apocalyptic number.

It is an amenable number.

683660333 is a deficient number, since it is larger than the sum of its proper divisors (1).

683660333 is an equidigital number, since it uses as much as digits as its factorization.

683660333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 38.

The square root of 683660333 is about 26146.8991086897. The cubic root of 683660333 is about 880.9409412831.

The spelling of 683660333 in words is "six hundred eighty-three million, six hundred sixty thousand, three hundred thirty-three".