5249218 has 8 divisors (see below), whose sum is σ = 8479548. Its totient is φ = 2422704.

The previous prime is 5249207. The next prime is 5249219. The reversal of 5249218 is 8129425.

It can be written as a sum of positive squares in 2 ways, for example, as 4173849 + 1075369 = 2043^2 + 1037^2 .

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

It is a super-2 number, since 2×5249218² = 55108579223048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5249218.

It is not an unprimeable number, because it can be changed into a prime (5249219) by changing a digit.

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, 100921 + ... + 100972.

Almost surely, 2^5249218 is an apocalyptic number.

5249218 is a deficient number, since it is larger than the sum of its proper divisors (3230330).

5249218 is a wasteful number, since it uses less digits than its factorization.

5249218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201908.

The product of its digits is 5760, while the sum is 31.

The square root of 5249218 is about 2291.1171947327. The cubic root of 5249218 is about 173.7927024417.

The spelling of 5249218 in words is "five million, two hundred forty-nine thousand, two hundred eighteen".