66125363 has 2 divisors, whose sum is σ = 66125364. Its totient is φ = 66125362.

The previous prime is 66125317. The next prime is 66125383. The reversal of 66125363 is 36352166.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66125363 - 2⁸ = 66125107 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (66125303) 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, 33062681 + 33062682.

It is an arithmetic number, because the mean of its divisors is an integer number (33062682).

Almost surely, 2^66125363 is an apocalyptic number.

66125363 is a deficient number, since it is larger than the sum of its proper divisors (1).

66125363 is an equidigital number, since it uses as much as digits as its factorization.

66125363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 32.

The square root of 66125363 is about 8131.7503035939. The cubic root of 66125363 is about 404.3797099132.

The spelling of 66125363 in words is "sixty-six million, one hundred twenty-five thousand, three hundred sixty-three".