205335005 has 4 divisors (see below), whose sum is σ = 246402012. Its totient is φ = 164268000.

The previous prime is 205334989. The next prime is 205335029. The reversal of 205335005 is 500533502.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 95043001 + 110292004 = 9749^2 + 10502^2 .

It is not a de Polignac number, because 205335005 - 2⁴ = 205334989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20533496 + ... + 20533505.

It is an arithmetic number, because the mean of its divisors is an integer number (61600503).

Almost surely, 2^205335005 is an apocalyptic number.

It is an amenable number.

205335005 is a deficient number, since it is larger than the sum of its proper divisors (41067007).

205335005 is an equidigital number, since it uses as much as digits as its factorization.

205335005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41067006.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 205335005 is about 14329.5151697467. The cubic root of 205335005 is about 589.9578682928.

Adding to 205335005 its reverse (500533502), we get a palindrome (705868507).

The spelling of 205335005 in words is "two hundred five million, three hundred thirty-five thousand, five".