1315296673 has 2 divisors, whose sum is σ = 1315296674. Its totient is φ = 1315296672.

The previous prime is 1315296667. The next prime is 1315296691. The reversal of 1315296673 is 3766925131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 968890129 + 346406544 = 31127^2 + 18612^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315296673 - 2¹⁷ = 1315165601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1315296643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657648336 + 657648337.

It is an arithmetic number, because the mean of its divisors is an integer number (657648337).

Almost surely, 2^1315296673 is an apocalyptic number.

It is an amenable number.

1315296673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315296673 is an equidigital number, since it uses as much as digits as its factorization.

1315296673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 43.

The square root of 1315296673 is about 36267.0190807020. The cubic root of 1315296673 is about 1095.6568893413.

The spelling of 1315296673 in words is "one billion, three hundred fifteen million, two hundred ninety-six thousand, six hundred seventy-three".