5218013 has 4 divisors (see below), whose sum is σ = 5386368. Its totient is φ = 5049660.

The previous prime is 5217991. The next prime is 5218021. The reversal of 5218013 is 3108125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5218013 - 2¹⁸ = 4955869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84131 + ... + 84192.

It is an arithmetic number, because the mean of its divisors is an integer number (1346592).

Almost surely, 2^5218013 is an apocalyptic number.

It is an amenable number.

5218013 is a deficient number, since it is larger than the sum of its proper divisors (168355).

5218013 is a wasteful number, since it uses less digits than its factorization.

5218013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168354.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 5218013 is about 2284.2970472336. The cubic root of 5218013 is about 173.4476362282.

The spelling of 5218013 in words is "five million, two hundred eighteen thousand, thirteen".