316534987 has 2 divisors, whose sum is σ = 316534988. Its totient is φ = 316534986.

The previous prime is 316534957. The next prime is 316535033. The reversal of 316534987 is 789435613.

It is an a-pointer prime, because the next prime (316535033) can be obtained adding 316534987 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 316534987 - 2¹¹ = 316532939 is a prime.

It is not a weakly prime, because it can be changed into another prime (316534957) 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, 158267493 + 158267494.

It is an arithmetic number, because the mean of its divisors is an integer number (158267494).

Almost surely, 2^316534987 is an apocalyptic number.

316534987 is a deficient number, since it is larger than the sum of its proper divisors (1).

316534987 is an equidigital number, since it uses as much as digits as its factorization.

316534987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 316534987 is about 17791.4301561173. The cubic root of 316534987 is about 681.5126268293.

The spelling of 316534987 in words is "three hundred sixteen million, five hundred thirty-four thousand, nine hundred eighty-seven".