5209039 has 4 divisors (see below), whose sum is σ = 5682600. Its totient is φ = 4735480.

The previous prime is 5209031. The next prime is 5209069. The reversal of 5209039 is 9309025.

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 5209039 - 2³ = 5209031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5208998 and 5209016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5209031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236764 + ... + 236785.

It is an arithmetic number, because the mean of its divisors is an integer number (1420650).

Almost surely, 2^5209039 is an apocalyptic number.

5209039 is a deficient number, since it is larger than the sum of its proper divisors (473561).

5209039 is a wasteful number, since it uses less digits than its factorization.

5209039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473560.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 5209039 is about 2282.3319215224. The cubic root of 5209039 is about 173.3481467452.

It can be divided in two parts, 520 and 9039, that added together give a palindrome (9559).

The spelling of 5209039 in words is "five million, two hundred nine thousand, thirty-nine".