5643047 has 2 divisors, whose sum is σ = 5643048. Its totient is φ = 5643046.

The previous prime is 5643041. The next prime is 5643059. The reversal of 5643047 is 7403465.

5643047 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5643047 - 2²² = 1448743 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5643041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2821523 + 2821524.

It is an arithmetic number, because the mean of its divisors is an integer number (2821524).

Almost surely, 2^5643047 is an apocalyptic number.

5643047 is a deficient number, since it is larger than the sum of its proper divisors (1).

5643047 is an equidigital number, since it uses as much as digits as its factorization.

5643047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 5643047 is about 2375.5098400133. The cubic root of 5643047 is about 178.0346584871.

The spelling of 5643047 in words is "five million, six hundred forty-three thousand, forty-seven".