205325005 has 8 divisors (see below), whose sum is σ = 246471192. Its totient is φ = 164205888.

The previous prime is 205324981. The next prime is 205325053. The reversal of 205325005 is 500523502.

It can be written as a sum of positive squares in 4 ways, for example, as 806404 + 204518601 = 898^2 + 14301^2 .

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 205325005 - 2¹⁵ = 205292237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18519 + ... + 27451.

It is an arithmetic number, because the mean of its divisors is an integer number (30808899).

Almost surely, 2^205325005 is an apocalyptic number.

It is an amenable number.

205325005 is a deficient number, since it is larger than the sum of its proper divisors (41146187).

205325005 is an equidigital number, since it uses as much as digits as its factorization.

205325005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13535.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 205325005 is about 14329.1662353397. The cubic root of 205325005 is about 589.9482909772.

Adding to 205325005 its reverse (500523502), we get a palindrome (705848507).

The spelling of 205325005 in words is "two hundred five million, three hundred twenty-five thousand, five".