204572983 has 2 divisors, whose sum is σ = 204572984. Its totient is φ = 204572982.

The previous prime is 204572959. The next prime is 204572993. The reversal of 204572983 is 389275402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204572983 - 2¹⁷ = 204441911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204572993) 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 as a sum of consecutive naturals, namely, 102286491 + 102286492.

It is an arithmetic number, because the mean of its divisors is an integer number (102286492).

Almost surely, 2^204572983 is an apocalyptic number.

204572983 is a deficient number, since it is larger than the sum of its proper divisors (1).

204572983 is an equidigital number, since it uses as much as digits as its factorization.

204572983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 204572983 is about 14302.9012091953. The cubic root of 204572983 is about 589.2271629619.

The spelling of 204572983 in words is "two hundred four million, five hundred seventy-two thousand, nine hundred eighty-three".