316482209 has 2 divisors, whose sum is σ = 316482210. Its totient is φ = 316482208.

The previous prime is 316482197. The next prime is 316482223. The reversal of 316482209 is 902284613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265787809 + 50694400 = 16303^2 + 7120^2 .

It is a cyclic number.

It is not a de Polignac number, because 316482209 - 2¹⁶ = 316416673 is a prime.

It is a super-2 number, since 2×316482209² = 200321977227039362, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (316488209) 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, 158241104 + 158241105.

It is an arithmetic number, because the mean of its divisors is an integer number (158241105).

Almost surely, 2^316482209 is an apocalyptic number.

It is an amenable number.

316482209 is a deficient number, since it is larger than the sum of its proper divisors (1).

316482209 is an equidigital number, since it uses as much as digits as its factorization.

316482209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 316482209 is about 17789.9468520847. The cubic root of 316482209 is about 681.4747470012.

The spelling of 316482209 in words is "three hundred sixteen million, four hundred eighty-two thousand, two hundred nine".