317682643 has 2 divisors, whose sum is σ = 317682644. Its totient is φ = 317682642.

The previous prime is 317682623. The next prime is 317682649. The reversal of 317682643 is 346286713.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 317682643 - 2¹³ = 317674451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 317682596 and 317682605.

It is not a weakly prime, because it can be changed into another prime (317682649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158841321 + 158841322.

It is an arithmetic number, because the mean of its divisors is an integer number (158841322).

Almost surely, 2^317682643 is an apocalyptic number.

317682643 is a deficient number, since it is larger than the sum of its proper divisors (1).

317682643 is an equidigital number, since it uses as much as digits as its factorization.

317682643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 317682643 is about 17823.6540305292. The cubic root of 317682643 is about 682.3352833233.

The spelling of 317682643 in words is "three hundred seventeen million, six hundred eighty-two thousand, six hundred forty-three".