5002320821 has 2 divisors, whose sum is σ = 5002320822. Its totient is φ = 5002320820.

The previous prime is 5002320803. The next prime is 5002320847. The reversal of 5002320821 is 1280232005.

5002320821 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3946980625 + 1055340196 = 62825^2 + 32486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5002320821 is a prime.

It is a super-2 number, since 2×5002320821² = 50046427192420228082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5002320221) 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 as a sum of consecutive naturals, namely, 2501160410 + 2501160411.

It is an arithmetic number, because the mean of its divisors is an integer number (2501160411).

Almost surely, 2^5002320821 is an apocalyptic number.

It is an amenable number.

5002320821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5002320821 is an equidigital number, since it uses as much as digits as its factorization.

5002320821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 5002320821 is about 70727.0868974539. The cubic root of 5002320821 is about 1710.2404756251.

Adding to 5002320821 its reverse (1280232005), we get a palindrome (6282552826).

The spelling of 5002320821 in words is "five billion, two million, three hundred twenty thousand, eight hundred twenty-one".