5205441304321 has 2 divisors, whose sum is σ = 5205441304322. Its totient is φ = 5205441304320.

The previous prime is 5205441304279. The next prime is 5205441304337. The reversal of 5205441304321 is 1234031445025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3245690496400 + 1959750807921 = 1801580^2 + 1399911^2 .

It is a cyclic number.

It is not a de Polignac number, because 5205441304321 - 2³⁷ = 5068002350849 is a prime.

It is a super-2 number, since 2×5205441304321² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5205441304121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2602720652160 + 2602720652161.

It is an arithmetic number, because the mean of its divisors is an integer number (2602720652161).

Almost surely, 2^{5205441304321} is an apocalyptic number.

It is an amenable number.

5205441304321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5205441304321 is an equidigital number, since it uses as much as digits as its factorization.

5205441304321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 5205441304321 its reverse (1234031445025), we get a palindrome (6439472749346).

The spelling of 5205441304321 in words is "five trillion, two hundred five billion, four hundred forty-one million, three hundred four thousand, three hundred twenty-one".