5642213 has 4 divisors (see below), whose sum is σ = 5662860. Its totient is φ = 5621568.

The previous prime is 5642191. The next prime is 5642227. The reversal of 5642213 is 3122465.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2427364 + 3214849 = 1558^2 + 1793^2 .

It is a cyclic number.

It is not a de Polignac number, because 5642213 - 2¹⁰ = 5641189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9908 + ... + 10461.

It is an arithmetic number, because the mean of its divisors is an integer number (1415715).

Almost surely, 2^5642213 is an apocalyptic number.

It is an amenable number.

5642213 is a deficient number, since it is larger than the sum of its proper divisors (20647).

5642213 is a wasteful number, since it uses less digits than its factorization.

5642213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20646.

The product of its digits is 1440, while the sum is 23.

The square root of 5642213 is about 2375.3342922629. The cubic root of 5642213 is about 178.0258873261.

Adding to 5642213 its reverse (3122465), we get a palindrome (8764678).

The spelling of 5642213 in words is "five million, six hundred forty-two thousand, two hundred thirteen".