1315453913 has 2 divisors, whose sum is σ = 1315453914. Its totient is φ = 1315453912.

The previous prime is 1315453871. The next prime is 1315453921. The reversal of 1315453913 is 3193545131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 953389129 + 362064784 = 30877^2 + 19028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1315453913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1315453213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657726956 + 657726957.

It is an arithmetic number, because the mean of its divisors is an integer number (657726957).

Almost surely, 2^1315453913 is an apocalyptic number.

It is an amenable number.

1315453913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315453913 is an equidigital number, since it uses as much as digits as its factorization.

1315453913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 35.

The square root of 1315453913 is about 36269.1868257340. The cubic root of 1315453913 is about 1095.7005484964.

The spelling of 1315453913 in words is "one billion, three hundred fifteen million, four hundred fifty-three thousand, nine hundred thirteen".