1317275357 has 2 divisors, whose sum is σ = 1317275358. Its totient is φ = 1317275356.

The previous prime is 1317275329. The next prime is 1317275363. The reversal of 1317275357 is 7535727131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1300251481 + 17023876 = 36059^2 + 4126^2 .

It is a cyclic number.

It is not a de Polignac number, because 1317275357 - 2²⁰ = 1316226781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317275327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658637678 + 658637679.

It is an arithmetic number, because the mean of its divisors is an integer number (658637679).

Almost surely, 2^1317275357 is an apocalyptic number.

It is an amenable number.

1317275357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317275357 is an equidigital number, since it uses as much as digits as its factorization.

1317275357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 154350, while the sum is 41.

The square root of 1317275357 is about 36294.2882145387. The cubic root of 1317275357 is about 1096.2060360537.

The spelling of 1317275357 in words is "one billion, three hundred seventeen million, two hundred seventy-five thousand, three hundred fifty-seven".