1315343593 has 2 divisors, whose sum is σ = 1315343594. Its totient is φ = 1315343592.

The previous prime is 1315343543. The next prime is 1315343597. The reversal of 1315343593 is 3953435131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1256560704 + 58782889 = 35448^2 + 7667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1315343593 is a prime.

It is a super-2 number, since 2×1315343593² = 3460257535292299298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1315343597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657671796 + 657671797.

It is an arithmetic number, because the mean of its divisors is an integer number (657671797).

Almost surely, 2^1315343593 is an apocalyptic number.

It is an amenable number.

1315343593 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315343593 is an equidigital number, since it uses as much as digits as its factorization.

1315343593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 37.

The square root of 1315343593 is about 36267.6659436474. The cubic root of 1315343593 is about 1095.6699174819.

The spelling of 1315343593 in words is "one billion, three hundred fifteen million, three hundred forty-three thousand, five hundred ninety-three".