5643203 has 4 divisors (see below), whose sum is σ = 5795760. Its totient is φ = 5490648.

The previous prime is 5643181. The next prime is 5643217. The reversal of 5643203 is 3023465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5643203 - 2⁸ = 5642947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5643263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76223 + ... + 76296.

It is an arithmetic number, because the mean of its divisors is an integer number (1448940).

Almost surely, 2^5643203 is an apocalyptic number.

5643203 is a deficient number, since it is larger than the sum of its proper divisors (152557).

5643203 is a wasteful number, since it uses less digits than its factorization.

5643203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152556.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 5643203 is about 2375.5426748430. The cubic root of 5643203 is about 178.0362990399.

Adding to 5643203 its reverse (3023465), we get a palindrome (8666668).

The spelling of 5643203 in words is "five million, six hundred forty-three thousand, two hundred three".