5218503 has 16 divisors (see below), whose sum is σ = 7150080. Its totient is φ = 3384576.

The previous prime is 5218487. The next prime is 5218511. The reversal of 5218503 is 3058125.

It is not a de Polignac number, because 5218503 - 2⁴ = 5218487 is a prime.

It is a super-2 number, since 2×5218503² = 54465547122018, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22876 + ... + 23102.

It is an arithmetic number, because the mean of its divisors is an integer number (446880).

Almost surely, 2^5218503 is an apocalyptic number.

5218503 is a deficient number, since it is larger than the sum of its proper divisors (1931577).

5218503 is a wasteful number, since it uses less digits than its factorization.

5218503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 5218503 is about 2284.4042987177. The cubic root of 5218503 is about 173.4530652859.

The spelling of 5218503 in words is "five million, two hundred eighteen thousand, five hundred three".