205235001 has 24 divisors (see below), whose sum is σ = 313822080. Its totient is φ = 129026016.

The previous prime is 205234961. The next prime is 205235077. The reversal of 205235001 is 100532502.

It is a happy number.

It is not a de Polignac number, because 205235001 - 2¹¹ = 205232953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (205235201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2080 + ... + 20366.

It is an arithmetic number, because the mean of its divisors is an integer number (13075920).

Almost surely, 2^205235001 is an apocalyptic number.

It is an amenable number.

205235001 is a deficient number, since it is larger than the sum of its proper divisors (108587079).

205235001 is a wasteful number, since it uses less digits than its factorization.

205235001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18365 (or 18362 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 205235001 is about 14326.0253036214. The cubic root of 205235001 is about 589.8620773078.

Adding to 205235001 its reverse (100532502), we get a palindrome (305767503).

The spelling of 205235001 in words is "two hundred five million, two hundred thirty-five thousand, one".