205080659 has 4 divisors (see below), whose sum is σ = 234377904. Its totient is φ = 175783416.

The previous prime is 205080641. The next prime is 205080671. The reversal of 205080659 is 956080502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 205080659 - 2²⁴ = 188303443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205080559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14648612 + ... + 14648625.

It is an arithmetic number, because the mean of its divisors is an integer number (58594476).

Almost surely, 2^205080659 is an apocalyptic number.

205080659 is a deficient number, since it is larger than the sum of its proper divisors (29297245).

205080659 is an equidigital number, since it uses as much as digits as its factorization.

205080659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29297244.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 205080659 is about 14320.6375207251. The cubic root of 205080659 is about 589.7141764081.

The spelling of 205080659 in words is "two hundred five million, eighty thousand, six hundred fifty-nine".