205715059 has 16 divisors (see below), whose sum is σ = 235710720. Its totient is φ = 177708960.

The previous prime is 205715057. The next prime is 205715077. The reversal of 205715059 is 950517502.

It is not a de Polignac number, because 205715059 - 2¹ = 205715057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205715057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37132 + ... + 42310.

It is an arithmetic number, because the mean of its divisors is an integer number (14731920).

Almost surely, 2^205715059 is an apocalyptic number.

205715059 is a deficient number, since it is larger than the sum of its proper divisors (29995661).

205715059 is a wasteful number, since it uses less digits than its factorization.

205715059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 205715059 is about 14342.7702693727. The cubic root of 205715059 is about 590.3216277603.

The spelling of 205715059 in words is "two hundred five million, seven hundred fifteen thousand, fifty-nine".