66001753 has 2 divisors, whose sum is σ = 66001754. Its totient is φ = 66001752.

The previous prime is 66001751. The next prime is 66001799. The reversal of 66001753 is 35710066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48260809 + 17740944 = 6947^2 + 4212^2 .

It is a cyclic number.

It is not a de Polignac number, because 66001753 - 2¹ = 66001751 is a prime.

Together with 66001751, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (66001751) 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, 33000876 + 33000877.

It is an arithmetic number, because the mean of its divisors is an integer number (33000877).

Almost surely, 2^66001753 is an apocalyptic number.

It is an amenable number.

66001753 is a deficient number, since it is larger than the sum of its proper divisors (1).

66001753 is an equidigital number, since it uses as much as digits as its factorization.

66001753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 66001753 is about 8124.1462936114. The cubic root of 66001753 is about 404.1275799567.

The spelling of 66001753 in words is "sixty-six million, one thousand, seven hundred fifty-three".