205324101 has 6 divisors (see below), whose sum is σ = 296579270. Its totient is φ = 136882728.

The previous prime is 205324087. The next prime is 205324103. The reversal of 205324101 is 101423502.

It can be written as a sum of positive squares in only one way, i.e., 193933476 + 11390625 = 13926^2 + 3375^2 .

It is not a de Polignac number, because 205324101 - 2⁵ = 205324069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205324103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11406886 + ... + 11406903.

Almost surely, 2^205324101 is an apocalyptic number.

It is an amenable number.

205324101 is a deficient number, since it is larger than the sum of its proper divisors (91255169).

205324101 is a wasteful number, since it uses less digits than its factorization.

205324101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22813795 (or 22813792 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 205324101 is about 14329.1346912506. The cubic root of 205324101 is about 589.9474251725.

Adding to 205324101 its reverse (101423502), we get a palindrome (306747603).

The spelling of 205324101 in words is "two hundred five million, three hundred twenty-four thousand, one hundred one".