205054113 has 16 divisors (see below), whose sum is σ = 299520000. Its totient is φ = 123750480.

The previous prime is 205054093. The next prime is 205054133. The reversal of 205054113 is 311450502.

It is an interprime number because it is at equal distance from previous prime (205054093) and next prime (205054133).

It is not a de Polignac number, because 205054113 - 2⁵ = 205054081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 205054113.

It is not an unprimeable number, because it can be changed into a prime (205054133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5113 + ... + 20886.

It is an arithmetic number, because the mean of its divisors is an integer number (18720000).

Almost surely, 2^205054113 is an apocalyptic number.

It is an amenable number.

205054113 is a deficient number, since it is larger than the sum of its proper divisors (94465887).

205054113 is a wasteful number, since it uses less digits than its factorization.

205054113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26252.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 205054113 is about 14319.7106465180. The cubic root of 205054113 is about 589.6887307646.

The spelling of 205054113 in words is "two hundred five million, fifty-four thousand, one hundred thirteen".