1317095237 has 2 divisors, whose sum is σ = 1317095238. Its totient is φ = 1317095236.

The previous prime is 1317095113. The next prime is 1317095239. The reversal of 1317095237 is 7325907131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 692795041 + 624300196 = 26321^2 + 24986^2 .

It is a cyclic number.

It is not a de Polignac number, because 1317095237 - 2¹⁸ = 1316833093 is a prime.

Together with 1317095239, 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 1317095237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317095239) 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, 658547618 + 658547619.

It is an arithmetic number, because the mean of its divisors is an integer number (658547619).

Almost surely, 2^1317095237 is an apocalyptic number.

It is an amenable number.

1317095237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317095237 is an equidigital number, since it uses as much as digits as its factorization.

1317095237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 1317095237 is about 36291.8067475291. The cubic root of 1317095237 is about 1096.1560698791.

The spelling of 1317095237 in words is "one billion, three hundred seventeen million, ninety-five thousand, two hundred thirty-seven".