66253043 has 2 divisors, whose sum is σ = 66253044. Its totient is φ = 66253042.

The previous prime is 66253027. The next prime is 66253079. The reversal of 66253043 is 34035266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66253043 - 2⁴ = 66253027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66252997 and 66253015.

It is not a weakly prime, because it can be changed into another prime (66253003) 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, 33126521 + 33126522.

It is an arithmetic number, because the mean of its divisors is an integer number (33126522).

Almost surely, 2^66253043 is an apocalyptic number.

66253043 is a deficient number, since it is larger than the sum of its proper divisors (1).

66253043 is an equidigital number, since it uses as much as digits as its factorization.

66253043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 66253043 is about 8139.5972259074. The cubic root of 66253043 is about 404.6398118541.

The spelling of 66253043 in words is "sixty-six million, two hundred fifty-three thousand, forty-three".