66033241 has 2 divisors, whose sum is σ = 66033242. Its totient is φ = 66033240.

The previous prime is 66033211. The next prime is 66033259. The reversal of 66033241 is 14233066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63536841 + 2496400 = 7971^2 + 1580^2 .

It is a cyclic number.

It is not a de Polignac number, because 66033241 - 2¹⁷ = 65902169 is a prime.

It is not a weakly prime, because it can be changed into another prime (66033211) 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, 33016620 + 33016621.

It is an arithmetic number, because the mean of its divisors is an integer number (33016621).

Almost surely, 2^66033241 is an apocalyptic number.

It is an amenable number.

66033241 is a deficient number, since it is larger than the sum of its proper divisors (1).

66033241 is an equidigital number, since it uses as much as digits as its factorization.

66033241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 66033241 is about 8126.0839892288. The cubic root of 66033241 is about 404.1918365638.

The spelling of 66033241 in words is "sixty-six million, thirty-three thousand, two hundred forty-one".