5220013 has 2 divisors, whose sum is σ = 5220014. Its totient is φ = 5220012.

The previous prime is 5220001. The next prime is 5220031. The reversal of 5220013 is 3100225.

Together with next prime (5220031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3736489 + 1483524 = 1933^2 + 1218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5220013 is a prime.

5220013 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5219975 and 5220002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5220043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610006 + 2610007.

It is an arithmetic number, because the mean of its divisors is an integer number (2610007).

Almost surely, 2^5220013 is an apocalyptic number.

It is an amenable number.

5220013 is a deficient number, since it is larger than the sum of its proper divisors (1).

5220013 is an equidigital number, since it uses as much as digits as its factorization.

5220013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 5220013 is about 2284.7347767301. The cubic root of 5220013 is about 173.4697935105.

Adding to 5220013 its reverse (3100225), we get a palindrome (8320238).

The spelling of 5220013 in words is "five million, two hundred twenty thousand, thirteen".