5181238 has 8 divisors (see below), whose sum is σ = 7785288. Its totient is φ = 2586144.

The previous prime is 5181223. The next prime is 5181251. The reversal of 5181238 is 8321815.

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

It is a congruent number.

It is an unprimeable number.

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, 531 + ... + 3262.

It is an arithmetic number, because the mean of its divisors is an integer number (973161).

Almost surely, 2^5181238 is an apocalyptic number.

5181238 is a deficient number, since it is larger than the sum of its proper divisors (2604050).

5181238 is a wasteful number, since it uses less digits than its factorization.

5181238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478.

The product of its digits is 1920, while the sum is 28.

The square root of 5181238 is about 2276.2332920859. The cubic root of 5181238 is about 173.0392061454.

The spelling of 5181238 in words is "five million, one hundred eighty-one thousand, two hundred thirty-eight".