5220421563 has 32 divisors (see below), whose sum is σ = 8054000640. Its totient is φ = 2946078720.

The previous prime is 5220421559. The next prime is 5220421571. The reversal of 5220421563 is 3651240225.

It is not a de Polignac number, because 5220421563 - 2² = 5220421559 is a prime.

It is a super-3 number, since 3×5220421563³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5220421563.

It is not an unprimeable number, because it can be changed into a prime (5220421163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1058818 + ... + 1063736.

It is an arithmetic number, because the mean of its divisors is an integer number (251687520).

Almost surely, 2^5220421563 is an apocalyptic number.

5220421563 is a deficient number, since it is larger than the sum of its proper divisors (2833579077).

5220421563 is a wasteful number, since it uses less digits than its factorization.

5220421563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5547.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 5220421563 is about 72252.4848223229. The cubic root of 5220421563 is about 1734.7431913720.

Adding to 5220421563 its reverse (3651240225), we get a palindrome (8871661788).

The spelling of 5220421563 in words is "five billion, two hundred twenty million, four hundred twenty-one thousand, five hundred sixty-three".