5051818 has 16 divisors (see below), whose sum is σ = 7766280. Its totient is φ = 2464000.

The previous prime is 5051807. The next prime is 5051821. The reversal of 5051818 is 8181505.

It can be written as a sum of positive squares in 4 ways, for example, as 4897369 + 154449 = 2213^2 + 393^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17838 + ... + 18118.

Almost surely, 2^5051818 is an apocalyptic number.

5051818 is a deficient number, since it is larger than the sum of its proper divisors (2714462).

5051818 is a wasteful number, since it uses less digits than its factorization.

5051818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 5051818 is about 2247.6249687170. The cubic root of 5051818 is about 171.5862825758.

The spelling of 5051818 in words is "five million, fifty-one thousand, eight hundred eighteen".