1315495529 has 2 divisors, whose sum is σ = 1315495530. Its totient is φ = 1315495528.

The previous prime is 1315495507. The next prime is 1315495579. The reversal of 1315495529 is 9255945131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 731161600 + 584333929 = 27040^2 + 24173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1315495529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1315495529.

It is not a weakly prime, because it can be changed into another prime (1315495579) 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, 657747764 + 657747765.

It is an arithmetic number, because the mean of its divisors is an integer number (657747765).

Almost surely, 2^1315495529 is an apocalyptic number.

It is an amenable number.

1315495529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315495529 is an equidigital number, since it uses as much as digits as its factorization.

1315495529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243000, while the sum is 44.

The square root of 1315495529 is about 36269.7605313297. The cubic root of 1315495529 is about 1095.7121029854.

The spelling of 1315495529 in words is "one billion, three hundred fifteen million, four hundred ninety-five thousand, five hundred twenty-nine".