1317486193 has 2 divisors, whose sum is σ = 1317486194. Its totient is φ = 1317486192.

The previous prime is 1317486133. The next prime is 1317486197. The reversal of 1317486193 is 3916847131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 906491664 + 410994529 = 30108^2 + 20273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1317486193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1317486197) 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, 658743096 + 658743097.

It is an arithmetic number, because the mean of its divisors is an integer number (658743097).

Almost surely, 2^1317486193 is an apocalyptic number.

It is an amenable number.

1317486193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317486193 is an equidigital number, since it uses as much as digits as its factorization.

1317486193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 1317486193 is about 36297.1926324888. The cubic root of 1317486193 is about 1096.2645172121.

The spelling of 1317486193 in words is "one billion, three hundred seventeen million, four hundred eighty-six thousand, one hundred ninety-three".