5647171 has 2 divisors, whose sum is σ = 5647172. Its totient is φ = 5647170.

The previous prime is 5647163. The next prime is 5647189. The reversal of 5647171 is 1717465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5647171 - 2³ = 5647163 is a prime.

It is not a weakly prime, because it can be changed into another prime (5647471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823585 + 2823586.

It is an arithmetic number, because the mean of its divisors is an integer number (2823586).

Almost surely, 2^5647171 is an apocalyptic number.

5647171 is a deficient number, since it is larger than the sum of its proper divisors (1).

5647171 is an equidigital number, since it uses as much as digits as its factorization.

5647171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 31.

The square root of 5647171 is about 2376.3777056689. The cubic root of 5647171 is about 178.0780178132.

The spelling of 5647171 in words is "five million, six hundred forty-seven thousand, one hundred seventy-one".