52345121 has 4 divisors (see below), whose sum is σ = 53759892. Its totient is φ = 50930352.

The previous prime is 52345109. The next prime is 52345127. The reversal of 52345121 is 12154325.

52345121 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.

It can be written as a sum of positive squares in 2 ways, for example, as 41422096 + 10923025 = 6436^2 + 3305^2 .

It is not a de Polignac number, because 52345121 - 2¹⁸ = 52082977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52345127) 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, 707330 + ... + 707403.

It is an arithmetic number, because the mean of its divisors is an integer number (13439973).

Almost surely, 2^52345121 is an apocalyptic number.

It is an amenable number.

52345121 is a deficient number, since it is larger than the sum of its proper divisors (1414771).

52345121 is a wasteful number, since it uses less digits than its factorization.

52345121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414770.

The product of its digits is 1200, while the sum is 23.

The square root of 52345121 is about 7234.9928127124. The cubic root of 52345121 is about 374.0750442794.

Adding to 52345121 its reverse (12154325), we get a palindrome (64499446).

The spelling of 52345121 in words is "fifty-two million, three hundred forty-five thousand, one hundred twenty-one".