5452400312321 has 2 divisors, whose sum is σ = 5452400312322. Its totient is φ = 5452400312320.

The previous prime is 5452400312287. The next prime is 5452400312339. The reversal of 5452400312321 is 1232130042545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4543121731600 + 909278580721 = 2131460^2 + 953561^2 .

It is a cyclic number.

It is not a de Polignac number, because 5452400312321 - 2¹⁸ = 5452400050177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5452400312341) 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, 2726200156160 + 2726200156161.

It is an arithmetic number, because the mean of its divisors is an integer number (2726200156161).

Almost surely, 2^{5452400312321} is an apocalyptic number.

It is an amenable number.

5452400312321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5452400312321 is an equidigital number, since it uses as much as digits as its factorization.

5452400312321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 5452400312321 its reverse (1232130042545), we get a palindrome (6684530354866).

The spelling of 5452400312321 in words is "five trillion, four hundred fifty-two billion, four hundred million, three hundred twelve thousand, three hundred twenty-one".