5331504221 has 4 divisors (see below), whose sum is σ = 5345798172. Its totient is φ = 5317210272.

The previous prime is 5331504209. The next prime is 5331504223. The reversal of 5331504221 is 1224051335.

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 1832781721 + 3498722500 = 42811^2 + 59150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5331504221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5331504223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7146416 + ... + 7147161.

It is an arithmetic number, because the mean of its divisors is an integer number (1336449543).

Almost surely, 2^5331504221 is an apocalyptic number.

It is an amenable number.

5331504221 is a deficient number, since it is larger than the sum of its proper divisors (14293951).

5331504221 is a wasteful number, since it uses less digits than its factorization.

5331504221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14293950.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 5331504221 is about 73017.1501840492. The cubic root of 5331504221 is about 1746.9611720344.

Adding to 5331504221 its reverse (1224051335), we get a palindrome (6555555556).

The spelling of 5331504221 in words is "five billion, three hundred thirty-one million, five hundred four thousand, two hundred twenty-one".