205059 has 8 divisors (see below), whose sum is σ = 282960. Its totient is φ = 131936.

The previous prime is 205043. The next prime is 205063. The reversal of 205059 is 950502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205059 - 2⁴ = 205043 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 205059.

It is not an unprimeable number, because it can be changed into a prime (205019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092 + ... + 1265.

It is an arithmetic number, because the mean of its divisors is an integer number (35370).

2²⁰⁵⁰⁵⁹ is an apocalyptic number.

205059 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

205059 is a deficient number, since it is larger than the sum of its proper divisors (77901).

205059 is a wasteful number, since it uses less digits than its factorization.

205059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 205059 is about 452.8344068200. The cubic root of 205059 is about 58.9693415359.

The spelling of 205059 in words is "two hundred five thousand, fifty-nine".