1317245233 has 2 divisors, whose sum is σ = 1317245234. Its totient is φ = 1317245232.

The previous prime is 1317245197. The next prime is 1317245249. The reversal of 1317245233 is 3325427131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1301189184 + 16056049 = 36072^2 + 4007^2 .

It is a cyclic number.

It is not a de Polignac number, because 1317245233 - 2²⁵ = 1283690801 is a prime.

It is a super-2 number, since 2×1317245233² = 3470270007722448578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1317245195 and 1317245204.

It is not a weakly prime, because it can be changed into another prime (1317245263) 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, 658622616 + 658622617.

It is an arithmetic number, because the mean of its divisors is an integer number (658622617).

Almost surely, 2^1317245233 is an apocalyptic number.

It is an amenable number.

1317245233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317245233 is an equidigital number, since it uses as much as digits as its factorization.

1317245233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 31.

The square root of 1317245233 is about 36293.8732157371. The cubic root of 1317245233 is about 1096.1976798250.

The spelling of 1317245233 in words is "one billion, three hundred seventeen million, two hundred forty-five thousand, two hundred thirty-three".