1513104503 has 2 divisors, whose sum is σ = 1513104504. Its totient is φ = 1513104502.

The previous prime is 1513104457. The next prime is 1513104521. The reversal of 1513104503 is 3054013151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1513104503 - 2²² = 1508910199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1513104553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756552251 + 756552252.

It is an arithmetic number, because the mean of its divisors is an integer number (756552252).

Almost surely, 2^1513104503 is an apocalyptic number.

1513104503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513104503 is an equidigital number, since it uses as much as digits as its factorization.

1513104503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1513104503 is about 38898.6439737943. The cubic root of 1513104503 is about 1148.0381175958.

Adding to 1513104503 its reverse (3054013151), we get a palindrome (4567117654).

The spelling of 1513104503 in words is "one billion, five hundred thirteen million, one hundred four thousand, five hundred three".