43052213 has 4 divisors (see below), whose sum is σ = 43112160. Its totient is φ = 42992268.

The previous prime is 43052203. The next prime is 43052227. The reversal of 43052213 is 31225034.

It is a happy number.

43052213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43052213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43052203) 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, 28883 + ... + 30336.

It is an arithmetic number, because the mean of its divisors is an integer number (10778040).

Almost surely, 2^43052213 is an apocalyptic number.

It is an amenable number.

43052213 is a deficient number, since it is larger than the sum of its proper divisors (59947).

43052213 is an equidigital number, since it uses as much as digits as its factorization.

43052213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59946.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 43052213 is about 6561.4185204116. The cubic root of 43052213 is about 350.4815493987.

Adding to 43052213 its reverse (31225034), we get a palindrome (74277247).

The spelling of 43052213 in words is "forty-three million, fifty-two thousand, two hundred thirteen".