316534489 has 2 divisors, whose sum is σ = 316534490. Its totient is φ = 316534488.

The previous prime is 316534457. The next prime is 316534511. The reversal of 316534489 is 984435613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257121225 + 59413264 = 16035^2 + 7708^2 .

It is a cyclic number.

It is not a de Polignac number, because 316534489 - 2⁵ = 316534457 is a prime.

It is a super-2 number, since 2×316534489² = 200388165452982242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (316534289) 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, 158267244 + 158267245.

It is an arithmetic number, because the mean of its divisors is an integer number (158267245).

Almost surely, 2^316534489 is an apocalyptic number.

It is an amenable number.

316534489 is a deficient number, since it is larger than the sum of its proper divisors (1).

316534489 is an equidigital number, since it uses as much as digits as its factorization.

316534489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 316534489 is about 17791.4161606096. The cubic root of 316534489 is about 681.5122694244.

The spelling of 316534489 in words is "three hundred sixteen million, five hundred thirty-four thousand, four hundred eighty-nine".