5643291 has 8 divisors (see below), whose sum is σ = 7652160. Its totient is φ = 3698312.

The previous prime is 5643263. The next prime is 5643301. The reversal of 5643291 is 1923465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5643291 - 2⁵ = 5643259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5643221) 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 in 7 ways as a sum of consecutive naturals, for example, 15765 + ... + 16118.

It is an arithmetic number, because the mean of its divisors is an integer number (956520).

Almost surely, 2^5643291 is an apocalyptic number.

5643291 is a deficient number, since it is larger than the sum of its proper divisors (2008869).

5643291 is a wasteful number, since it uses less digits than its factorization.

5643291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31945.

The product of its digits is 6480, while the sum is 30.

The square root of 5643291 is about 2375.5611968543. The cubic root of 5643291 is about 178.0372244667.

The spelling of 5643291 in words is "five million, six hundred forty-three thousand, two hundred ninety-one".