52243213 has 8 divisors (see below), whose sum is σ = 58068576. Its totient is φ = 46597200.

The previous prime is 52243211. The next prime is 52243229. The reversal of 52243213 is 31234225.

52243213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52243213 - 2¹ = 52243211 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 (52243211) 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 7 ways as a sum of consecutive naturals, for example, 44223 + ... + 45388.

It is an arithmetic number, because the mean of its divisors is an integer number (7258572).

Almost surely, 2^52243213 is an apocalyptic number.

52243213 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

52243213 is the 3864-th centered heptagonal number.

It is an amenable number.

52243213 is a deficient number, since it is larger than the sum of its proper divisors (5825363).

52243213 is a wasteful number, since it uses less digits than its factorization.

52243213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89675.

The product of its digits is 1440, while the sum is 22.

The square root of 52243213 is about 7227.9466655476. The cubic root of 52243213 is about 373.8321308080.

Adding to 52243213 its reverse (31234225), we get a palindrome (83477438).

The spelling of 52243213 in words is "fifty-two million, two hundred forty-three thousand, two hundred thirteen".