66286049 has 2 divisors, whose sum is σ = 66286050. Its totient is φ = 66286048.

The previous prime is 66286037. The next prime is 66286063. The reversal of 66286049 is 94068266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65934400 + 351649 = 8120^2 + 593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66286049 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 66285997 and 66286015.

It is not a weakly prime, because it can be changed into another prime (66226049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33143024 + 33143025.

It is an arithmetic number, because the mean of its divisors is an integer number (33143025).

Almost surely, 2^66286049 is an apocalyptic number.

It is an amenable number.

66286049 is a deficient number, since it is larger than the sum of its proper divisors (1).

66286049 is an equidigital number, since it uses as much as digits as its factorization.

66286049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 66286049 is about 8141.6244693550. The cubic root of 66286049 is about 404.7069953062.

The spelling of 66286049 in words is "sixty-six million, two hundred eighty-six thousand, forty-nine".