52671239 has 4 divisors (see below), whose sum is σ = 54094824. Its totient is φ = 51247656.

The previous prime is 52671209. The next prime is 52671251. The reversal of 52671239 is 93217625.

52671239 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 is a cyclic number.

It is not a de Polignac number, because 52671239 - 2²⁰ = 51622663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52671199 and 52671208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52671209) 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, 711737 + ... + 711810.

It is an arithmetic number, because the mean of its divisors is an integer number (13523706).

Almost surely, 2^52671239 is an apocalyptic number.

52671239 is a deficient number, since it is larger than the sum of its proper divisors (1423585).

52671239 is a wasteful number, since it uses less digits than its factorization.

52671239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423584.

The product of its digits is 22680, while the sum is 35.

The square root of 52671239 is about 7257.4953668604. The cubic root of 52671239 is about 374.8502845317.

The spelling of 52671239 in words is "fifty-two million, six hundred seventy-one thousand, two hundred thirty-nine".