4033213 has 4 divisors (see below), whose sum is σ = 4078620. Its totient is φ = 3987808.

The previous prime is 4033207. The next prime is 4033229. The reversal of 4033213 is 3123304.

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 1119364 + 2913849 = 1058^2 + 1707^2 .

It is a cyclic number.

It is not a de Polignac number, because 4033213 - 2¹⁷ = 3902141 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 (4033243) 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, 22570 + ... + 22747.

It is an arithmetic number, because the mean of its divisors is an integer number (1019655).

Almost surely, 2^4033213 is an apocalyptic number.

It is an amenable number.

4033213 is a deficient number, since it is larger than the sum of its proper divisors (45407).

4033213 is an equidigital number, since it uses as much as digits as its factorization.

4033213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45406.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 4033213 is about 2008.2860851980. The cubic root of 4033213 is about 159.1782476824.

Adding to 4033213 its reverse (3123304), we get a palindrome (7156517).

Subtracting from 4033213 its reverse (3123304), we obtain a palindrome (909909).

The spelling of 4033213 in words is "four million, thirty-three thousand, two hundred thirteen".