5081918 has 8 divisors (see below), whose sum is σ = 7653312. Its totient is φ = 2530816.

The previous prime is 5081903. The next prime is 5081939. The reversal of 5081918 is 8191805.

It is a happy number.

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

It is a Curzon number.

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, 4430 + ... + 5457.

It is an arithmetic number, because the mean of its divisors is an integer number (956664).

Almost surely, 2^5081918 is an apocalyptic number.

5081918 is a deficient number, since it is larger than the sum of its proper divisors (2571394).

5081918 is a wasteful number, since it uses less digits than its factorization.

5081918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10146.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 5081918 is about 2254.3109812091. The cubic root of 5081918 is about 171.9263926975.

The spelling of 5081918 in words is "five million, eighty-one thousand, nine hundred eighteen".