5221006563 has 4 divisors (see below), whose sum is σ = 6961342088. Its totient is φ = 3480671040.

The previous prime is 5221006559. The next prime is 5221006579. The reversal of 5221006563 is 3656001225.

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

It is not a de Polignac number, because 5221006563 - 2² = 5221006559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5221006563.

It is not an unprimeable number, because it can be changed into a prime (5221006163) 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, 870167758 + ... + 870167763.

It is an arithmetic number, because the mean of its divisors is an integer number (1740335522).

Almost surely, 2^5221006563 is an apocalyptic number.

5221006563 is a deficient number, since it is larger than the sum of its proper divisors (1740335525).

5221006563 is a wasteful number, since it uses less digits than its factorization.

5221006563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740335524.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 5221006563 is about 72256.5330125934. The cubic root of 5221006563 is about 1734.8079873437.

Adding to 5221006563 its reverse (3656001225), we get a palindrome (8877007788).

The spelling of 5221006563 in words is "five billion, two hundred twenty-one million, six thousand, five hundred sixty-three".