52217005 has 4 divisors (see below), whose sum is σ = 62660412. Its totient is φ = 41773600.

The previous prime is 52216999. The next prime is 52217029. The reversal of 52217005 is 50071225.

52217005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35390601 + 16826404 = 5949^2 + 4102^2 .

It is not a de Polignac number, because 52217005 - 2¹¹ = 52214957 is a prime.

It is a super-2 number, since 2×52217005² = 5453231222340050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5221696 + ... + 5221705.

It is an arithmetic number, because the mean of its divisors is an integer number (15665103).

Almost surely, 2^52217005 is an apocalyptic number.

It is an amenable number.

52217005 is a deficient number, since it is larger than the sum of its proper divisors (10443407).

52217005 is a wasteful number, since it uses less digits than its factorization.

52217005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10443406.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 52217005 is about 7226.1334751027. The cubic root of 52217005 is about 373.7696089308.

The spelling of 52217005 in words is "fifty-two million, two hundred seventeen thousand, five".