52182121 has 4 divisors (see below), whose sum is σ = 52196752. Its totient is φ = 52167492.

The previous prime is 52182103. The next prime is 52182133. The reversal of 52182121 is 12128125.

52182121 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 52182121 - 2²⁵ = 18627689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52182092 and 52182101.

It is not an unprimeable number, because it can be changed into a prime (52182181) 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, 1930 + ... + 10396.

It is an arithmetic number, because the mean of its divisors is an integer number (13049188).

Almost surely, 2^52182121 is an apocalyptic number.

It is an amenable number.

52182121 is a deficient number, since it is larger than the sum of its proper divisors (14631).

52182121 is an equidigital number, since it uses as much as digits as its factorization.

52182121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14630.

The product of its digits is 320, while the sum is 22.

The square root of 52182121 is about 7223.7193328645. The cubic root of 52182121 is about 373.6863571011.

The spelling of 52182121 in words is "fifty-two million, one hundred eighty-two thousand, one hundred twenty-one".