6504113 has 18 divisors (see below), whose sum is σ = 8323938. Its totient is φ = 5063520.

The previous prime is 6504109. The next prime is 6504131. The reversal of 6504113 is 3114056.

It can be written as a sum of positive squares in only one way, i.e., 4986289 + 1517824 = 2233^2 + 1232^2 .

It is not a de Polignac number, because 6504113 - 2² = 6504109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6504103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5381 + ... + 6477.

It is an arithmetic number, because the mean of its divisors is an integer number (462441).

Almost surely, 2^6504113 is an apocalyptic number.

It is an amenable number.

6504113 is a deficient number, since it is larger than the sum of its proper divisors (1819825).

6504113 is a wasteful number, since it uses less digits than its factorization.

6504113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 6504113 is about 2550.3162548986. The cubic root of 6504113 is about 186.6649131780.

Adding to 6504113 its reverse (3114056), we get a palindrome (9618169).

The spelling of 6504113 in words is "six million, five hundred four thousand, one hundred thirteen".