682312291 has 2 divisors, whose sum is σ = 682312292. Its totient is φ = 682312290.

The previous prime is 682312277. The next prime is 682312331. The reversal of 682312291 is 192213286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 682312291 - 2²⁹ = 145441379 is a prime.

It is not a weakly prime, because it can be changed into another prime (682312231) 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, 341156145 + 341156146.

It is an arithmetic number, because the mean of its divisors is an integer number (341156146).

Almost surely, 2^682312291 is an apocalyptic number.

682312291 is a deficient number, since it is larger than the sum of its proper divisors (1).

682312291 is an equidigital number, since it uses as much as digits as its factorization.

682312291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 682312291 is about 26121.1081503063. The cubic root of 682312291 is about 880.3615469447.

The spelling of 682312291 in words is "six hundred eighty-two million, three hundred twelve thousand, two hundred ninety-one".