65068321 has 2 divisors, whose sum is σ = 65068322. Its totient is φ = 65068320.

The previous prime is 65068319. The next prime is 65068337. The reversal of 65068321 is 12386056.

65068321 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., 49505296 + 15563025 = 7036^2 + 3945^2 .

It is a cyclic number.

It is not a de Polignac number, because 65068321 - 2¹ = 65068319 is a prime.

Together with 65068319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (65068361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32534160 + 32534161.

It is an arithmetic number, because the mean of its divisors is an integer number (32534161).

Almost surely, 2^65068321 is an apocalyptic number.

It is an amenable number.

65068321 is a deficient number, since it is larger than the sum of its proper divisors (1).

65068321 is an equidigital number, since it uses as much as digits as its factorization.

65068321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 65068321 is about 8066.4937240414. The cubic root of 65068321 is about 402.2133983285.

The spelling of 65068321 in words is "sixty-five million, sixty-eight thousand, three hundred twenty-one".