6845417 has 2 divisors, whose sum is σ = 6845418. Its totient is φ = 6845416.

The previous prime is 6845413. The next prime is 6845519. The reversal of 6845417 is 7145486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5740816 + 1104601 = 2396^2 + 1051^2 .

It is a cyclic number.

It is not a de Polignac number, because 6845417 - 2² = 6845413 is a prime.

It is not a weakly prime, because it can be changed into another prime (6845413) 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 as a sum of consecutive naturals, namely, 3422708 + 3422709.

It is an arithmetic number, because the mean of its divisors is an integer number (3422709).

Almost surely, 2^6845417 is an apocalyptic number.

It is an amenable number.

6845417 is a deficient number, since it is larger than the sum of its proper divisors (1).

6845417 is an equidigital number, since it uses as much as digits as its factorization.

6845417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 35.

The square root of 6845417 is about 2616.3747820219. The cubic root of 6845417 is about 189.8744969890.

The spelling of 6845417 in words is "six million, eight hundred forty-five thousand, four hundred seventeen".