118589 has 2 divisors, whose sum is σ = 118590. Its totient is φ = 118588.
The previous prime is 118583. The next prime is 118603. The reversal of 118589 is 985811.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 60025 + 58564 = 245^2 + 242^2 .
It is a cyclic number.
It is not a de Polignac number, because 118589 - 212 = 114493 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (118583) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59294 + 59295.
It is an arithmetic number, because the mean of its divisors is an integer number (59295).
2118589 is an apocalyptic number.
It is an amenable number.
118589 is a deficient number, since it is larger than the sum of its proper divisors (1).
118589 is an equidigital number, since it uses as much as digits as its factorization.
118589 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2880, while the sum is 32.
The square root of 118589 is about 344.3675362168. The cubic root of 118589 is about 49.1301551523.
It can be divided in two parts, 118 and 589, that added together give a palindrome (707).
The spelling of 118589 in words is "one hundred eighteen thousand, five hundred eighty-nine".
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