205327317 has 16 divisors (see below), whose sum is σ = 295364160. Its totient is φ = 126125952.

The previous prime is 205327271. The next prime is 205327373. The reversal of 205327317 is 713723502.

It is not a de Polignac number, because 205327317 - 2⁷ = 205327189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205327117) 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, 18409 + ... + 27377.

It is an arithmetic number, because the mean of its divisors is an integer number (18460260).

Almost surely, 2^205327317 is an apocalyptic number.

It is an amenable number.

205327317 is a deficient number, since it is larger than the sum of its proper divisors (90036843).

205327317 is a wasteful number, since it uses less digits than its factorization.

205327317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9572.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 205327317 is about 14329.2469097298. The cubic root of 205327317 is about 589.9505052802.

The spelling of 205327317 in words is "two hundred five million, three hundred twenty-seven thousand, three hundred seventeen".