2443213 has 2 divisors, whose sum is σ = 2443214. Its totient is φ = 2443212.

The previous prime is 2443211. The next prime is 2443219. The reversal of 2443213 is 3123442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1447209 + 996004 = 1203^2 + 998^2 .

It is a cyclic number.

It is not a de Polignac number, because 2443213 - 2¹ = 2443211 is a prime.

Together with 2443211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2443211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221606 + 1221607.

It is an arithmetic number, because the mean of its divisors is an integer number (1221607).

2^2443213 is an apocalyptic number.

It is an amenable number.

2443213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2443213 is an equidigital number, since it uses as much as digits as its factorization.

2443213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 19.

The square root of 2443213 is about 1563.0780530735. The cubic root of 2443213 is about 134.6853761488.

Adding to 2443213 its reverse (3123442), we get a palindrome (5566655).

The spelling of 2443213 in words is "two million, four hundred forty-three thousand, two hundred thirteen".