5181839 has 8 divisors (see below), whose sum is σ = 5604480. Its totient is φ = 4762656.

The previous prime is 5181829. The next prime is 5181859. The reversal of 5181839 is 9381815.

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

It is a cyclic number.

It is not a de Polignac number, because 5181839 - 2²⁰ = 4133263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5181799 and 5181808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882 + ... + 4320.

It is an arithmetic number, because the mean of its divisors is an integer number (700560).

Almost surely, 2^5181839 is an apocalyptic number.

5181839 is a deficient number, since it is larger than the sum of its proper divisors (422641).

5181839 is a wasteful number, since it uses less digits than its factorization.

5181839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729.

The product of its digits is 8640, while the sum is 35.

The square root of 5181839 is about 2276.3653046029. The cubic root of 5181839 is about 173.0458964732.

The spelling of 5181839 in words is "five million, one hundred eighty-one thousand, eight hundred thirty-nine".