52243144321 has 2 divisors, whose sum is σ = 52243144322. Its totient is φ = 52243144320.

The previous prime is 52243144319. The next prime is 52243144337. The reversal of 52243144321 is 12344134225.

52243144321 is digitally balanced in base 2, 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., 49266241600 + 2976902721 = 221960^2 + 54561^2 .

It is a cyclic number.

It is not a de Polignac number, because 52243144321 - 2¹ = 52243144319 is a prime.

It is a super-2 number, since 2×52243144321² (a number of 22 digits) contains 22 as substring.

Together with 52243144319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52243144621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26121572160 + 26121572161.

It is an arithmetic number, because the mean of its divisors is an integer number (26121572161).

Almost surely, 2^52243144321 is an apocalyptic number.

It is an amenable number.

52243144321 is a deficient number, since it is larger than the sum of its proper divisors (1).

52243144321 is an equidigital number, since it uses as much as digits as its factorization.

52243144321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 31.

Adding to 52243144321 its reverse (12344134225), we get a palindrome (64587278546).

The spelling of 52243144321 in words is "fifty-two billion, two hundred forty-three million, one hundred forty-four thousand, three hundred twenty-one".