5513218 has 4 divisors (see below), whose sum is σ = 8269830. Its totient is φ = 2756608.

The previous prime is 5513203. The next prime is 5513227. The reversal of 5513218 is 8123155.

It is a happy number.

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., 5322249 + 190969 = 2307^2 + 437^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5513192 and 5513201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378303 + ... + 1378306.

Almost surely, 2^5513218 is an apocalyptic number.

5513218 is a deficient number, since it is larger than the sum of its proper divisors (2756612).

5513218 is a wasteful number, since it uses less digits than its factorization.

5513218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756611.

The product of its digits is 1200, while the sum is 25.

The square root of 5513218 is about 2348.0242758541. The cubic root of 5513218 is about 176.6587101357.

The spelling of 5513218 in words is "five million, five hundred thirteen thousand, two hundred eighteen".