671513683 has 2 divisors, whose sum is σ = 671513684. Its totient is φ = 671513682.

The previous prime is 671513663. The next prime is 671513699. The reversal of 671513683 is 386315176.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-671513683 is a prime.

It is not a weakly prime, because it can be changed into another prime (671513663) 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, 335756841 + 335756842.

It is an arithmetic number, because the mean of its divisors is an integer number (335756842).

Almost surely, 2^671513683 is an apocalyptic number.

671513683 is a deficient number, since it is larger than the sum of its proper divisors (1).

671513683 is an equidigital number, since it uses as much as digits as its factorization.

671513683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 671513683 is about 25913.5810531852. The cubic root of 671513683 is about 875.6924838711.

The spelling of 671513683 in words is "six hundred seventy-one million, five hundred thirteen thousand, six hundred eighty-three".