4403213 has 2 divisors, whose sum is σ = 4403214. Its totient is φ = 4403212.

The previous prime is 4403183. The next prime is 4403219. The reversal of 4403213 is 3123044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3108169 + 1295044 = 1763^2 + 1138^2 .

It is a cyclic number.

It is not a de Polignac number, because 4403213 - 2⁶ = 4403149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4403191 and 4403200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4403219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2201606 + 2201607.

It is an arithmetic number, because the mean of its divisors is an integer number (2201607).

Almost surely, 2^4403213 is an apocalyptic number.

It is an amenable number.

4403213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4403213 is an equidigital number, since it uses as much as digits as its factorization.

4403213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 4403213 is about 2098.3834254016. The cubic root of 4403213 is about 163.9041304646.

Adding to 4403213 its reverse (3123044), we get a palindrome (7526257).

The spelling of 4403213 in words is "four million, four hundred three thousand, two hundred thirteen".