5218291 has 4 divisors (see below), whose sum is σ = 5619712. Its totient is φ = 4816872.

The previous prime is 5218277. The next prime is 5218307. The reversal of 5218291 is 1928125.

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

It is a cyclic number.

It is not a de Polignac number, because 5218291 - 2¹¹ = 5216243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5218211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200691 + ... + 200716.

It is an arithmetic number, because the mean of its divisors is an integer number (1404928).

Almost surely, 2^5218291 is an apocalyptic number.

5218291 is a deficient number, since it is larger than the sum of its proper divisors (401421).

5218291 is a wasteful number, since it uses less digits than its factorization.

5218291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401420.

The product of its digits is 1440, while the sum is 28.

The square root of 5218291 is about 2284.3578966528. The cubic root of 5218291 is about 173.4507164292.

The spelling of 5218291 in words is "five million, two hundred eighteen thousand, two hundred ninety-one".