6845065 has 4 divisors (see below), whose sum is σ = 8214084. Its totient is φ = 5476048.

The previous prime is 6845063. The next prime is 6845081. The reversal of 6845065 is 5605486.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5605486 = 2 ⋅2802743.

It can be written as a sum of positive squares in 2 ways, for example, as 4782969 + 2062096 = 2187^2 + 1436^2 .

It is a cyclic number.

It is not a de Polignac number, because 6845065 - 2¹ = 6845063 is a prime.

It is a Duffinian number.

6845065 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6845065.

It is not an unprimeable number, because it can be changed into a prime (6845063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684502 + ... + 684511.

It is an arithmetic number, because the mean of its divisors is an integer number (2053521).

Almost surely, 2^6845065 is an apocalyptic number.

It is an amenable number.

6845065 is a deficient number, since it is larger than the sum of its proper divisors (1369019).

6845065 is a wasteful number, since it uses less digits than its factorization.

6845065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369018.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 6845065 is about 2616.3075125069. The cubic root of 6845065 is about 189.8712424042.

The spelling of 6845065 in words is "six million, eight hundred forty-five thousand, sixty-five".