204573673 has 2 divisors, whose sum is σ = 204573674. Its totient is φ = 204573672.

The previous prime is 204573659. The next prime is 204573683. The reversal of 204573673 is 376375402.

204573673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105431824 + 99141849 = 10268^2 + 9957^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204573673 is a prime.

It is not a weakly prime, because it can be changed into another prime (204573643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102286836 + 102286837.

It is an arithmetic number, because the mean of its divisors is an integer number (102286837).

Almost surely, 2^204573673 is an apocalyptic number.

It is an amenable number.

204573673 is a deficient number, since it is larger than the sum of its proper divisors (1).

204573673 is an equidigital number, since it uses as much as digits as its factorization.

204573673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 37.

The square root of 204573673 is about 14302.9253301554. The cubic root of 204573673 is about 589.2278254252.

The spelling of 204573673 in words is "two hundred four million, five hundred seventy-three thousand, six hundred seventy-three".