205235007 has 8 divisors (see below), whose sum is σ = 276068784. Its totient is φ = 135612288.

The previous prime is 205234961. The next prime is 205235077. The reversal of 205235007 is 700532502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 205235007 - 2¹⁰ = 205233983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205235077) 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 7 ways as a sum of consecutive naturals, for example, 302368 + ... + 303045.

It is an arithmetic number, because the mean of its divisors is an integer number (34508598).

Almost surely, 2^205235007 is an apocalyptic number.

205235007 is a deficient number, since it is larger than the sum of its proper divisors (70833777).

205235007 is a wasteful number, since it uses less digits than its factorization.

205235007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605529.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 205235007 is about 14326.0255130305. The cubic root of 205235007 is about 589.8620830559.

Adding to 205235007 its reverse (700532502), we get a palindrome (905767509).

The spelling of 205235007 in words is "two hundred five million, two hundred thirty-five thousand, seven".