6500304513 has 10 divisors (see below), whose sum is σ = 9710331554. Its totient is φ = 4333536288.

The previous prime is 6500304487. The next prime is 6500304521. The reversal of 6500304513 is 3154030056.

6500304513 is a `hidden beast` number, since 650 + 0 + 3 + 0 + 4 + 5 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5981011569 + 519292944 = 77337^2 + 22788^2 .

It is not a de Polignac number, because 6500304513 - 2⁶ = 6500304449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6500304593) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 40125256 + ... + 40125417.

Almost surely, 2^6500304513 is an apocalyptic number.

It is an amenable number.

6500304513 is a deficient number, since it is larger than the sum of its proper divisors (3210027041).

6500304513 is an equidigital number, since it uses as much as digits as its factorization.

6500304513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80250685 (or 80250676 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 6500304513 is about 80624.4659703244. The cubic root of 6500304513 is about 1866.2847214963.

Adding to 6500304513 its reverse (3154030056), we get a palindrome (9654334569).

The spelling of 6500304513 in words is "six billion, five hundred million, three hundred four thousand, five hundred thirteen".