683852381 has 2 divisors, whose sum is σ = 683852382. Its totient is φ = 683852380.

The previous prime is 683852363. The next prime is 683852401. The reversal of 683852381 is 183258386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 564300025 + 119552356 = 23755^2 + 10934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-683852381 is a prime.

It is a super-2 number, since 2×683852381² = 935308157998738322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683852321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341926190 + 341926191.

It is an arithmetic number, because the mean of its divisors is an integer number (341926191).

Almost surely, 2^683852381 is an apocalyptic number.

It is an amenable number.

683852381 is a deficient number, since it is larger than the sum of its proper divisors (1).

683852381 is an equidigital number, since it uses as much as digits as its factorization.

683852381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 44.

The square root of 683852381 is about 26150.5713321908. The cubic root of 683852381 is about 881.0234223527.

The spelling of 683852381 in words is "six hundred eighty-three million, eight hundred fifty-two thousand, three hundred eighty-one".