5242839 has 8 divisors (see below), whose sum is σ = 7989120. Its totient is φ = 2995896.

The previous prime is 5242837. The next prime is 5242843. The reversal of 5242839 is 9382425.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5242839 - 2¹ = 5242837 is a prime.

5242839 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5242837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124809 + ... + 124850.

It is an arithmetic number, because the mean of its divisors is an integer number (998640).

Almost surely, 2^5242839 is an apocalyptic number.

5242839 is a deficient number, since it is larger than the sum of its proper divisors (2746281).

5242839 is a wasteful number, since it uses less digits than its factorization.

5242839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249669.

The product of its digits is 17280, while the sum is 33.

The square root of 5242839 is about 2289.7246559357. The cubic root of 5242839 is about 173.7222746162.

The spelling of 5242839 in words is "five million, two hundred forty-two thousand, eight hundred thirty-nine".