5243202321 has 24 divisors (see below), whose sum is σ = 8135041824. Its totient is φ = 2995110720.

The previous prime is 5243202319. The next prime is 5243202347. The reversal of 5243202321 is 1232023425.

It is not a de Polignac number, because 5243202321 - 2¹ = 5243202319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5243202291 and 5243202300.

It is not an unprimeable number, because it can be changed into a prime (5243002321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 826066 + ... + 832388.

It is an arithmetic number, because the mean of its divisors is an integer number (338960076).

Almost surely, 2^5243202321 is an apocalyptic number.

It is an amenable number.

5243202321 is a deficient number, since it is larger than the sum of its proper divisors (2891839503).

5243202321 is a wasteful number, since it uses less digits than its factorization.

5243202321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11981 (or 11974 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 5243202321 is about 72409.9600952797. The cubic root of 5243202321 is about 1737.2628742249.

Adding to 5243202321 its reverse (1232023425), we get a palindrome (6475225746).

The spelling of 5243202321 in words is "five billion, two hundred forty-three million, two hundred two thousand, three hundred twenty-one".