205050501 has 16 divisors (see below), whose sum is σ = 306102720. Its totient is φ = 135654480.

The previous prime is 205050467. The next prime is 205050509. The reversal of 205050501 is 105050502.

It is not a de Polignac number, because 205050501 - 2¹⁴ = 205034117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205050509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25450 + ... + 32523.

It is an arithmetic number, because the mean of its divisors is an integer number (19131420).

Almost surely, 2^205050501 is an apocalyptic number.

It is an amenable number.

205050501 is a deficient number, since it is larger than the sum of its proper divisors (101052219).

205050501 is a wasteful number, since it uses less digits than its factorization.

205050501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58113 (or 58107 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 205050501 is about 14319.5845260957. The cubic root of 205050501 is about 589.6852683156.

Subtracting from 205050501 its reverse (105050502), we obtain a palindrome (99999999).

The spelling of 205050501 in words is "two hundred five million, fifty thousand, five hundred one".