47066321 has 2 divisors, whose sum is σ = 47066322. Its totient is φ = 47066320.

The previous prime is 47066291. The next prime is 47066323. The reversal of 47066321 is 12366074.

47066321 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., 26635921 + 20430400 = 5161^2 + 4520^2 .

It is a cyclic number.

It is not a de Polignac number, because 47066321 - 2²² = 42872017 is a prime.

Together with 47066323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47066323) 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, 23533160 + 23533161.

It is an arithmetic number, because the mean of its divisors is an integer number (23533161).

Almost surely, 2^47066321 is an apocalyptic number.

It is an amenable number.

47066321 is a deficient number, since it is larger than the sum of its proper divisors (1).

47066321 is an equidigital number, since it uses as much as digits as its factorization.

47066321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 47066321 is about 6860.4898513153. The cubic root of 47066321 is about 361.0522735925.

The spelling of 47066321 in words is "forty-seven million, sixty-six thousand, three hundred twenty-one".