52203121 has 4 divisors (see below), whose sum is σ = 52864000. Its totient is φ = 51542244.

The previous prime is 52203119. The next prime is 52203139. The reversal of 52203121 is 12130225.

52203121 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 not a de Polignac number, because 52203121 - 2¹ = 52203119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52203095 and 52203104.

It is not an unprimeable number, because it can be changed into a prime (52203191) 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, 330321 + ... + 330478.

It is an arithmetic number, because the mean of its divisors is an integer number (13216000).

Almost surely, 2^52203121 is an apocalyptic number.

It is an amenable number.

52203121 is a deficient number, since it is larger than the sum of its proper divisors (660879).

52203121 is an equidigital number, since it uses as much as digits as its factorization.

52203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660878.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 52203121 is about 7225.1727314992. The cubic root of 52203121 is about 373.7364787449.

Adding to 52203121 its reverse (12130225), we get a palindrome (64333346).

The spelling of 52203121 in words is "fifty-two million, two hundred three thousand, one hundred twenty-one".