659322889 has 2 divisors, whose sum is σ = 659322890. Its totient is φ = 659322888.

The previous prime is 659322863. The next prime is 659322893. The reversal of 659322889 is 988223956.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 655769664 + 3553225 = 25608^2 + 1885^2 .

It is a cyclic number.

It is not a de Polignac number, because 659322889 - 2¹³ = 659314697 is a prime.

It is not a weakly prime, because it can be changed into another prime (659322089) 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, 329661444 + 329661445.

It is an arithmetic number, because the mean of its divisors is an integer number (329661445).

Almost surely, 2^659322889 is an apocalyptic number.

It is an amenable number.

659322889 is a deficient number, since it is larger than the sum of its proper divisors (1).

659322889 is an equidigital number, since it uses as much as digits as its factorization.

659322889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 52.

The square root of 659322889 is about 25677.2835206530. The cubic root of 659322889 is about 870.3609234859.

The spelling of 659322889 in words is "six hundred fifty-nine million, three hundred twenty-two thousand, eight hundred eighty-nine".