204966953 has 16 divisors (see below), whose sum is σ = 215550720. Its totient is φ = 194727936.

The previous prime is 204966941. The next prime is 204966959. The reversal of 204966953 is 359669402.

It is a de Polignac number, because none of the positive numbers 2^k-204966953 is a prime.

It is a super-2 number, since 2×204966953² = 84022903644208418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204966959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266153 + ... + 266921.

It is an arithmetic number, because the mean of its divisors is an integer number (13471920).

Almost surely, 2^204966953 is an apocalyptic number.

It is an amenable number.

204966953 is a deficient number, since it is larger than the sum of its proper divisors (10583767).

204966953 is a wasteful number, since it uses less digits than its factorization.

204966953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 204966953 is about 14316.6669654637. Note that the first 3 decimals coincide. The cubic root of 204966953 is about 589.6051681820.

The spelling of 204966953 in words is "two hundred four million, nine hundred sixty-six thousand, nine hundred fifty-three".