1513342505 has 4 divisors (see below), whose sum is σ = 1816011012. Its totient is φ = 1210674000.

The previous prime is 1513342451. The next prime is 1513342543. The reversal of 1513342505 is 5052433151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5052433151 = 641 ⋅7882111.

It can be written as a sum of positive squares in 2 ways, for example, as 694638736 + 818703769 = 26356^2 + 28613^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1513342505 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151334246 + ... + 151334255.

It is an arithmetic number, because the mean of its divisors is an integer number (454002753).

Almost surely, 2^1513342505 is an apocalyptic number.

It is an amenable number.

1513342505 is a deficient number, since it is larger than the sum of its proper divisors (302668507).

1513342505 is an equidigital number, since it uses as much as digits as its factorization.

1513342505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302668506.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1513342505 is about 38901.7031118176. The cubic root of 1513342505 is about 1148.0983075436.

Adding to 1513342505 its reverse (5052433151), we get a palindrome (6565775656).

The spelling of 1513342505 in words is "one billion, five hundred thirteen million, three hundred forty-two thousand, five hundred five".