205324005 has 16 divisors (see below), whose sum is σ = 339116544. Its totient is φ = 105973440.

The previous prime is 205324001. The next prime is 205324039. The reversal of 205324005 is 500423502.

It is not a de Polignac number, because 205324005 - 2² = 205324001 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205324001) 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, 220314 + ... + 221243.

It is an arithmetic number, because the mean of its divisors is an integer number (21194784).

Almost surely, 2^205324005 is an apocalyptic number.

It is an amenable number.

205324005 is a deficient number, since it is larger than the sum of its proper divisors (133792539).

205324005 is a wasteful number, since it uses less digits than its factorization.

205324005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441596.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 205324005 is about 14329.1313414317. The cubic root of 205324005 is about 589.9473332285.

Adding to 205324005 its reverse (500423502), we get a palindrome (705747507).

The spelling of 205324005 in words is "two hundred five million, three hundred twenty-four thousand, five".