5221351424 has 64 divisors (see below), whose sum is σ = 10579970400. Its totient is φ = 2576351232.

The previous prime is 5221351403. The next prime is 5221351427. The reversal of 5221351424 is 4241531225.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221351427) 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, 2587664 + ... + 2589680.

Almost surely, 2^5221351424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5221351424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5289985200).

5221351424 is an abundant number, since it is smaller than the sum of its proper divisors (5358618976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5221351424 is an frugal number, since it uses more digits than its factorization.

5221351424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126 (or 2098 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 5221351424 is about 72258.9193387225. The cubic root of 5221351424 is about 1734.8461826890.

Adding to 5221351424 its reverse (4241531225), we get a palindrome (9462882649).

The spelling of 5221351424 in words is "five billion, two hundred twenty-one million, three hundred fifty-one thousand, four hundred twenty-four".