205324153 has 4 divisors (see below), whose sum is σ = 209692800. Its totient is φ = 200955508.

The previous prime is 205324139. The next prime is 205324169. The reversal of 205324153 is 351423502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 205324153 - 2⁹ = 205323641 is a prime.

It is a Duffinian 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2184253 + ... + 2184346.

It is an arithmetic number, because the mean of its divisors is an integer number (52423200).

Almost surely, 2^205324153 is an apocalyptic number.

It is an amenable number.

205324153 is a deficient number, since it is larger than the sum of its proper divisors (4368647).

205324153 is an equidigital number, since it uses as much as digits as its factorization.

205324153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4368646.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 205324153 is about 14329.1365057354. The cubic root of 205324153 is about 589.9474749755.

Adding to 205324153 its reverse (351423502), we get a palindrome (556747655).

The spelling of 205324153 in words is "two hundred five million, three hundred twenty-four thousand, one hundred fifty-three".