66482249 has 2 divisors, whose sum is σ = 66482250. Its totient is φ = 66482248.

The previous prime is 66482237. The next prime is 66482263. The reversal of 66482249 is 94228466.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63313849 + 3168400 = 7957^2 + 1780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66482249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (66482209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33241124 + 33241125.

It is an arithmetic number, because the mean of its divisors is an integer number (33241125).

Almost surely, 2^66482249 is an apocalyptic number.

It is an amenable number.

66482249 is a deficient number, since it is larger than the sum of its proper divisors (1).

66482249 is an equidigital number, since it uses as much as digits as its factorization.

66482249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

The square root of 66482249 is about 8153.6647588676. The cubic root of 66482249 is about 405.1058992491.

The spelling of 66482249 in words is "sixty-six million, four hundred eighty-two thousand, two hundred forty-nine".