52312273 has 4 divisors (see below), whose sum is σ = 56336308. Its totient is φ = 48288240.

The previous prime is 52312231. The next prime is 52312279. The reversal of 52312273 is 37221325.

52312273 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 20367169 + 31945104 = 4513^2 + 5652^2 .

It is not a de Polignac number, because 52312273 - 2⁹ = 52311761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52312279) 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, 2011998 + ... + 2012023.

It is an arithmetic number, because the mean of its divisors is an integer number (14084077).

Almost surely, 2^52312273 is an apocalyptic number.

It is an amenable number.

52312273 is a deficient number, since it is larger than the sum of its proper divisors (4024035).

52312273 is a wasteful number, since it uses less digits than its factorization.

52312273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4024034.

The product of its digits is 2520, while the sum is 25.

The square root of 52312273 is about 7232.7223781920. The cubic root of 52312273 is about 373.9967804540.

Adding to 52312273 its reverse (37221325), we get a palindrome (89533598).

The spelling of 52312273 in words is "fifty-two million, three hundred twelve thousand, two hundred seventy-three".