52242321 has 8 divisors (see below), whose sum is σ = 70333120. Its totient is φ = 34489872.

The previous prime is 52242319. The next prime is 52242331. The reversal of 52242321 is 12324225.

52242321 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 not a de Polignac number, because 52242321 - 2¹ = 52242319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52242301) 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, 84226 + ... + 84843.

It is an arithmetic number, because the mean of its divisors is an integer number (8791640).

Almost surely, 2^52242321 is an apocalyptic number.

It is an amenable number.

52242321 is a deficient number, since it is larger than the sum of its proper divisors (18090799).

52242321 is a wasteful number, since it uses less digits than its factorization.

52242321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169175.

The product of its digits is 960, while the sum is 21.

The square root of 52242321 is about 7227.8849603463. The cubic root of 52242321 is about 373.8300031941.

Adding to 52242321 its reverse (12324225), we get a palindrome (64566546).

The spelling of 52242321 in words is "fifty-two million, two hundred forty-two thousand, three hundred twenty-one".