5252443321 has 4 divisors (see below), whose sum is σ = 5285898532. Its totient is φ = 5218988112.

The previous prime is 5252443303. The next prime is 5252443363. The reversal of 5252443321 is 1233442525.

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 2544698025 + 2707745296 = 50445^2 + 52036^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5252443321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5252443121) 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, 16727370 + ... + 16727683.

It is an arithmetic number, because the mean of its divisors is an integer number (1321474633).

Almost surely, 2^5252443321 is an apocalyptic number.

It is an amenable number.

5252443321 is a deficient number, since it is larger than the sum of its proper divisors (33455211).

5252443321 is a wasteful number, since it uses less digits than its factorization.

5252443321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33455210.

The product of its digits is 28800, while the sum is 31.

The square root of 5252443321 is about 72473.7422864309. The cubic root of 5252443321 is about 1738.2829012273.

Adding to 5252443321 its reverse (1233442525), we get a palindrome (6485885846).

The spelling of 5252443321 in words is "five billion, two hundred fifty-two million, four hundred forty-three thousand, three hundred twenty-one".