683066387 has 2 divisors, whose sum is σ = 683066388. Its totient is φ = 683066386.

The previous prime is 683066353. The next prime is 683066389. The reversal of 683066387 is 783660386.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-683066387 is a prime.

Together with 683066389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (683066389) 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, 341533193 + 341533194.

It is an arithmetic number, because the mean of its divisors is an integer number (341533194).

Almost surely, 2^683066387 is an apocalyptic number.

683066387 is a deficient number, since it is larger than the sum of its proper divisors (1).

683066387 is an equidigital number, since it uses as much as digits as its factorization.

683066387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 683066387 is about 26135.5387738612. The cubic root of 683066387 is about 880.6857546456.

The spelling of 683066387 in words is "six hundred eighty-three million, sixty-six thousand, three hundred eighty-seven".