59809 has 2 divisors, whose sum is σ = 59810.
Its totient is φ = 59808.
The previous prime is 59797. The next prime is 59833. The reversal of 59809 is 90895.
59809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 57600 + 2209 = 240^2 + 47^2
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-59809 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (59879) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29904 + 29905.
It is an arithmetic number, because the mean of its divisors is an integer number (29905).
259809 is an apocalyptic number.
It is an amenable number.
59809 is a deficient number, since it is larger than the sum of its proper divisors (1).
59809 is an equidigital number, since it uses as much as digits as its factorization.
59809 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3240, while the sum is 31.
The square root of 59809 is about 244.5587863889.
The cubic root of 59809 is about 39.1070911583.
It can be divided in two parts, 59 and 809, that added together give a palindrome (868).
The spelling of 59809 in words is "fifty-nine thousand, eight hundred nine".