6513523603 has 2 divisors, whose sum is σ = 6513523604. Its totient is φ = 6513523602.

The previous prime is 6513523567. The next prime is 6513523619. The reversal of 6513523603 is 3063253156.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6513523603 is a prime.

It is not a weakly prime, because it can be changed into another prime (6513523403) 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, 3256761801 + 3256761802.

It is an arithmetic number, because the mean of its divisors is an integer number (3256761802).

Almost surely, 2^6513523603 is an apocalyptic number.

6513523603 is a deficient number, since it is larger than the sum of its proper divisors (1).

6513523603 is an equidigital number, since it uses as much as digits as its factorization.

6513523603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 34.

The square root of 6513523603 is about 80706.4037298156. The cubic root of 6513523603 is about 1867.5489638643.

Adding to 6513523603 its reverse (3063253156), we get a palindrome (9576776759).

The spelling of 6513523603 in words is "six billion, five hundred thirteen million, five hundred twenty-three thousand, six hundred three".