317248537 has 2 divisors, whose sum is σ = 317248538. Its totient is φ = 317248536.

The previous prime is 317248507. The next prime is 317248573. The reversal of 317248537 is 735842713.

It is a happy number.

Together with next prime (317248573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305165961 + 12082576 = 17469^2 + 3476^2 .

It is a cyclic number.

It is not a de Polignac number, because 317248537 - 2⁷ = 317248409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 317248537.

It is not a weakly prime, because it can be changed into another prime (317248507) 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, 158624268 + 158624269.

It is an arithmetic number, because the mean of its divisors is an integer number (158624269).

Almost surely, 2^317248537 is an apocalyptic number.

It is an amenable number.

317248537 is a deficient number, since it is larger than the sum of its proper divisors (1).

317248537 is an equidigital number, since it uses as much as digits as its factorization.

317248537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

The square root of 317248537 is about 17811.4720615675. The cubic root of 317248537 is about 682.0243431770.

The spelling of 317248537 in words is "three hundred seventeen million, two hundred forty-eight thousand, five hundred thirty-seven".