1317975163 has 2 divisors, whose sum is σ = 1317975164. Its totient is φ = 1317975162.

The previous prime is 1317975107. The next prime is 1317975193. The reversal of 1317975163 is 3615797131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1317975163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1317975103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658987581 + 658987582.

It is an arithmetic number, because the mean of its divisors is an integer number (658987582).

Almost surely, 2^1317975163 is an apocalyptic number.

1317975163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317975163 is an equidigital number, since it uses as much as digits as its factorization.

1317975163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119070, while the sum is 43.

The square root of 1317975163 is about 36303.9276525282. The cubic root of 1317975163 is about 1096.4001224686.

The spelling of 1317975163 in words is "one billion, three hundred seventeen million, nine hundred seventy-five thousand, one hundred sixty-three".