316273609 has 2 divisors, whose sum is σ = 316273610. Its totient is φ = 316273608.

The previous prime is 316273603. The next prime is 316273619. The reversal of 316273609 is 906372613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263347984 + 52925625 = 16228^2 + 7275^2 .

It is an emirp because it is prime and its reverse (906372613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316273609 - 2¹¹ = 316271561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (316273603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158136804 + 158136805.

It is an arithmetic number, because the mean of its divisors is an integer number (158136805).

Almost surely, 2^316273609 is an apocalyptic number.

It is an amenable number.

316273609 is a deficient number, since it is larger than the sum of its proper divisors (1).

316273609 is an equidigital number, since it uses as much as digits as its factorization.

316273609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 316273609 is about 17784.0830238728. The cubic root of 316273609 is about 681.3249893716.

The spelling of 316273609 in words is "three hundred sixteen million, two hundred seventy-three thousand, six hundred nine".