5623217 has 2 divisors, whose sum is σ = 5623218. Its totient is φ = 5623216.

The previous prime is 5623213. The next prime is 5623229. The reversal of 5623217 is 7123265.

5623217 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5494336 + 128881 = 2344^2 + 359^2 .

It is a cyclic number.

It is not a de Polignac number, because 5623217 - 2² = 5623213 is a prime.

It is not a weakly prime, because it can be changed into another prime (5623213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2811608 + 2811609.

It is an arithmetic number, because the mean of its divisors is an integer number (2811609).

Almost surely, 2^5623217 is an apocalyptic number.

It is an amenable number.

5623217 is a deficient number, since it is larger than the sum of its proper divisors (1).

5623217 is an equidigital number, since it uses as much as digits as its factorization.

5623217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 5623217 is about 2371.3323259299. The cubic root of 5623217 is about 177.8258723031.

The spelling of 5623217 in words is "five million, six hundred twenty-three thousand, two hundred seventeen".