52122321 has 12 divisors (see below), whose sum is σ = 77039248. Its totient is φ = 33939864.

The previous prime is 52122319. The next prime is 52122341. The reversal of 52122321 is 12322125.

52122321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52122321 - 2¹ = 52122319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52122294 and 52122303.

It is not an unprimeable number, because it can be changed into a prime (52122341) 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 11 ways as a sum of consecutive naturals, for example, 66955 + ... + 67728.

Almost surely, 2^52122321 is an apocalyptic number.

It is an amenable number.

52122321 is a deficient number, since it is larger than the sum of its proper divisors (24916927).

52122321 is a wasteful number, since it uses less digits than its factorization.

52122321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134732 (or 134729 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 52122321 is about 7219.5790043464. The cubic root of 52122321 is about 373.5435560458.

Adding to 52122321 its reverse (12322125), we get a palindrome (64444446).

The spelling of 52122321 in words is "fifty-two million, one hundred twenty-two thousand, three hundred twenty-one".