65002533212321 has 2 divisors, whose sum is σ = 65002533212322. Its totient is φ = 65002533212320.

The previous prime is 65002533212311. The next prime is 65002533212327. The reversal of 65002533212321 is 12321233520056.

65002533212321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45056582256400 + 19945950955921 = 6712420^2 + 4466089^2 .

It is a cyclic number.

It is not a de Polignac number, because 65002533212321 - 2¹⁸ = 65002532950177 is a prime.

It is not a weakly prime, because it can be changed into another prime (65002533212327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32501266606160 + 32501266606161.

It is an arithmetic number, because the mean of its divisors is an integer number (32501266606161).

Almost surely, 2^{65002533212321} is an apocalyptic number.

It is an amenable number.

65002533212321 is a deficient number, since it is larger than the sum of its proper divisors (1).

65002533212321 is an equidigital number, since it uses as much as digits as its factorization.

65002533212321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 65002533212321 its reverse (12321233520056), we get a palindrome (77323766732377).

The spelling of 65002533212321 in words is "sixty-five trillion, two billion, five hundred thirty-three million, two hundred twelve thousand, three hundred twenty-one".