316456501 has 2 divisors, whose sum is σ = 316456502. Its totient is φ = 316456500.

The previous prime is 316456493. The next prime is 316456519. The reversal of 316456501 is 105654613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203034001 + 113422500 = 14249^2 + 10650^2 .

It is an emirp because it is prime and its reverse (105654613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316456501 - 2³ = 316456493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316456531) 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, 158228250 + 158228251.

It is an arithmetic number, because the mean of its divisors is an integer number (158228251).

Almost surely, 2^316456501 is an apocalyptic number.

It is an amenable number.

316456501 is a deficient number, since it is larger than the sum of its proper divisors (1).

316456501 is an equidigital number, since it uses as much as digits as its factorization.

316456501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 316456501 is about 17789.2242944992. The cubic root of 316456501 is about 681.4562943292.

The spelling of 316456501 in words is "three hundred sixteen million, four hundred fifty-six thousand, five hundred one".