5643347 has 2 divisors, whose sum is σ = 5643348. Its totient is φ = 5643346.

The previous prime is 5643331. The next prime is 5643373. The reversal of 5643347 is 7433465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5643347 - 2⁴ = 5643331 is a prime.

It is not a weakly prime, because it can be changed into another prime (5643307) 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, 2821673 + 2821674.

It is an arithmetic number, because the mean of its divisors is an integer number (2821674).

Almost surely, 2^5643347 is an apocalyptic number.

5643347 is a deficient number, since it is larger than the sum of its proper divisors (1).

5643347 is an equidigital number, since it uses as much as digits as its factorization.

5643347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 32.

The square root of 5643347 is about 2375.5729835137. The cubic root of 5643347 is about 178.0378133696.

The spelling of 5643347 in words is "five million, six hundred forty-three thousand, three hundred forty-seven".