6785613 has 10 divisors (see below), whose sum is σ = 10136654. Its totient is φ = 4523688.

The previous prime is 6785599. The next prime is 6785617. The reversal of 6785613 is 3165876.

It can be written as a sum of positive squares in only one way, i.e., 5560164 + 1225449 = 2358^2 + 1107^2 .

It is not a de Polignac number, because 6785613 - 2¹⁴ = 6769229 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6785617) 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, 41806 + ... + 41967.

Almost surely, 2^6785613 is an apocalyptic number.

It is an amenable number.

6785613 is a deficient number, since it is larger than the sum of its proper divisors (3351041).

6785613 is an equidigital number, since it uses as much as digits as its factorization.

6785613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83785 (or 83776 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 6785613 is about 2604.9209201049. The cubic root of 6785613 is about 189.3199418414.

The spelling of 6785613 in words is "six million, seven hundred eighty-five thousand, six hundred thirteen".