1315250329 has 2 divisors, whose sum is σ = 1315250330. Its totient is φ = 1315250328.

The previous prime is 1315250309. The next prime is 1315250333. The reversal of 1315250329 is 9230525131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1297944729 + 17305600 = 36027^2 + 4160^2 .

It is an emirp because it is prime and its reverse (9230525131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1315250329 - 2⁷ = 1315250201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1315250329.

It is not a weakly prime, because it can be changed into another prime (1315250309) 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, 657625164 + 657625165.

It is an arithmetic number, because the mean of its divisors is an integer number (657625165).

Almost surely, 2^1315250329 is an apocalyptic number.

It is an amenable number.

1315250329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315250329 is an equidigital number, since it uses as much as digits as its factorization.

1315250329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 1315250329 is about 36266.3801474589. The cubic root of 1315250329 is about 1095.6440208328.

The spelling of 1315250329 in words is "one billion, three hundred fifteen million, two hundred fifty thousand, three hundred twenty-nine".