5117218 has 4 divisors (see below), whose sum is σ = 7675830. Its totient is φ = 2558608.

The previous prime is 5117207. The next prime is 5117269. The reversal of 5117218 is 8127115.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5076009 + 41209 = 2253^2 + 203^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5117192 and 5117201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1279303 + ... + 1279306.

Almost surely, 2^5117218 is an apocalyptic number.

5117218 is a deficient number, since it is larger than the sum of its proper divisors (2558612).

5117218 is a wasteful number, since it uses less digits than its factorization.

5117218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558611.

The product of its digits is 560, while the sum is 25.

The square root of 5117218 is about 2262.1268753100. The cubic root of 5117218 is about 172.3235526859.

It can be divided in two parts, 5117 and 218, that added together give a palindrome (5335).

The spelling of 5117218 in words is "five million, one hundred seventeen thousand, two hundred eighteen".