5181442 has 8 divisors (see below), whose sum is σ = 8882496. Its totient is φ = 2220612.

The previous prime is 5181431. The next prime is 5181469. The reversal of 5181442 is 2441815.

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

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185038 + ... + 185065.

It is an arithmetic number, because the mean of its divisors is an integer number (1110312).

Almost surely, 2^5181442 is an apocalyptic number.

5181442 is a deficient number, since it is larger than the sum of its proper divisors (3701054).

5181442 is a wasteful number, since it uses less digits than its factorization.

5181442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370112.

The product of its digits is 1280, while the sum is 25.

The square root of 5181442 is about 2276.2781025174. The cubic root of 5181442 is about 173.0414771299.

The spelling of 5181442 in words is "five million, one hundred eighty-one thousand, four hundred forty-two".