6845305 has 16 divisors (see below), whose sum is σ = 9000720. Its totient is φ = 4974592.

The previous prime is 6845303. The next prime is 6845317. The reversal of 6845305 is 5035486.

It can be written as a sum of positive squares in 8 ways, for example, as 69696 + 6775609 = 264^2 + 2603^2 .

It is a cyclic number.

It is not a de Polignac number, because 6845305 - 2¹ = 6845303 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (6845303) 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 15 ways as a sum of consecutive naturals, for example, 1077 + ... + 3853.

It is an arithmetic number, because the mean of its divisors is an integer number (562545).

Almost surely, 2^6845305 is an apocalyptic number.

It is an amenable number.

6845305 is a deficient number, since it is larger than the sum of its proper divisors (2155415).

6845305 is a wasteful number, since it uses less digits than its factorization.

6845305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 6845305 is about 2616.3533782729. The cubic root of 6845305 is about 189.8734614514.

The spelling of 6845305 in words is "six million, eight hundred forty-five thousand, three hundred five".