52243121 has 8 divisors (see below), whose sum is σ = 59775360. Its totient is φ = 44728128.

The previous prime is 52243073. The next prime is 52243129. The reversal of 52243121 is 12134225.

52243121 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 a de Polignac number, because none of the positive numbers 2^k-52243121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52243093 and 52243102.

It is not an unprimeable number, because it can be changed into a prime (52243129) 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, 3020 + ... + 10658.

It is an arithmetic number, because the mean of its divisors is an integer number (7471920).

Almost surely, 2^52243121 is an apocalyptic number.

It is an amenable number.

52243121 is a deficient number, since it is larger than the sum of its proper divisors (7532239).

52243121 is an equidigital number, since it uses as much as digits as its factorization.

52243121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8623.

The product of its digits is 480, while the sum is 20.

The square root of 52243121 is about 7227.9403013583. The cubic root of 52243121 is about 373.8319113691.

Adding to 52243121 its reverse (12134225), we get a palindrome (64377346).

The spelling of 52243121 in words is "fifty-two million, two hundred forty-three thousand, one hundred twenty-one".