66263053 has 2 divisors, whose sum is σ = 66263054. Its totient is φ = 66263052.

The previous prime is 66263017. The next prime is 66263063. The reversal of 66263053 is 35036266.

66263053 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., 37124649 + 29138404 = 6093^2 + 5398^2 .

It is a cyclic number.

It is not a de Polignac number, because 66263053 - 2⁹ = 66262541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66263003) 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, 33131526 + 33131527.

It is an arithmetic number, because the mean of its divisors is an integer number (33131527).

Almost surely, 2^66263053 is an apocalyptic number.

It is an amenable number.

66263053 is a deficient number, since it is larger than the sum of its proper divisors (1).

66263053 is an equidigital number, since it uses as much as digits as its factorization.

66263053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 66263053 is about 8140.2120979739. The cubic root of 66263053 is about 404.6601894869.

The spelling of 66263053 in words is "sixty-six million, two hundred sixty-three thousand, fifty-three".