100066489 has 2 divisors, whose sum is σ = 100066490. Its totient is φ = 100066488.

The previous prime is 100066441. The next prime is 100066493. The reversal of 100066489 is 984660001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99900025 + 166464 = 9995^2 + 408^2 .

It is a cyclic number.

It is not a de Polignac number, because 100066489 - 2⁷ = 100066361 is a prime.

It is not a weakly prime, because it can be changed into another prime (100063489) 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, 50033244 + 50033245.

It is an arithmetic number, because the mean of its divisors is an integer number (50033245).

Almost surely, 2^100066489 is an apocalyptic number.

It is an amenable number.

100066489 is a deficient number, since it is larger than the sum of its proper divisors (1).

100066489 is an equidigital number, since it uses as much as digits as its factorization.

100066489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 100066489 is about 10003.3238975852. The cubic root of 100066489 is about 464.2617321036.

The spelling of 100066489 in words is "one hundred million, sixty-six thousand, four hundred eighty-nine".