316842437 has 2 divisors, whose sum is σ = 316842438. Its totient is φ = 316842436.

The previous prime is 316842431. The next prime is 316842439. The reversal of 316842437 is 734248613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305760196 + 11082241 = 17486^2 + 3329^2 .

It is a cyclic number.

It is not a de Polignac number, because 316842437 - 2⁶ = 316842373 is a prime.

Together with 316842439, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 316842437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316842431) 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, 158421218 + 158421219.

It is an arithmetic number, because the mean of its divisors is an integer number (158421219).

Almost surely, 2^316842437 is an apocalyptic number.

It is an amenable number.

316842437 is a deficient number, since it is larger than the sum of its proper divisors (1).

316842437 is an equidigital number, since it uses as much as digits as its factorization.

316842437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 38.

The square root of 316842437 is about 17800.0684549245. The cubic root of 316842437 is about 681.7332061894.

The spelling of 316842437 in words is "three hundred sixteen million, eight hundred forty-two thousand, four hundred thirty-seven".