5220536185 has 4 divisors (see below), whose sum is σ = 6264643428. Its totient is φ = 4176428944.

The previous prime is 5220536179. The next prime is 5220536207. The reversal of 5220536185 is 5816350225.

It is a happy number.

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 1515622761 + 3704913424 = 38931^2 + 60868^2 .

It is a cyclic number.

It is not a de Polignac number, because 5220536185 - 2⁹ = 5220535673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522053614 + ... + 522053623.

It is an arithmetic number, because the mean of its divisors is an integer number (1566160857).

Almost surely, 2^5220536185 is an apocalyptic number.

It is an amenable number.

5220536185 is a deficient number, since it is larger than the sum of its proper divisors (1044107243).

5220536185 is a wasteful number, since it uses less digits than its factorization.

5220536185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044107242.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 5220536185 is about 72253.2780225230. The cubic root of 5220536185 is about 1734.7558875548.

The spelling of 5220536185 in words is "five billion, two hundred twenty million, five hundred thirty-six thousand, one hundred eighty-five".