6685313 has 4 divisors (see below), whose sum is σ = 6700848. Its totient is φ = 6669780.

The previous prime is 6685307. The next prime is 6685331. The reversal of 6685313 is 3135866.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6685313 - 2¹⁶ = 6619777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6685313.

It is not an unprimeable number, because it can be changed into a prime (6685303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7103 + ... + 7988.

It is an arithmetic number, because the mean of its divisors is an integer number (1675212).

Almost surely, 2^6685313 is an apocalyptic number.

It is an amenable number.

6685313 is a deficient number, since it is larger than the sum of its proper divisors (15535).

6685313 is a wasteful number, since it uses less digits than its factorization.

6685313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15534.

The product of its digits is 12960, while the sum is 32.

The square root of 6685313 is about 2585.5972230802. The cubic root of 6685313 is about 188.3825111523.

It can be divided in two parts, 66853 and 13, that added together give a palindrome (66866).

The spelling of 6685313 in words is "six million, six hundred eighty-five thousand, three hundred thirteen".