204205933 has 2 divisors, whose sum is σ = 204205934. Its totient is φ = 204205932.

The previous prime is 204205889. The next prime is 204205951. The reversal of 204205933 is 339502402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140493609 + 63712324 = 11853^2 + 7982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204205933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204205973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102102966 + 102102967.

It is an arithmetic number, because the mean of its divisors is an integer number (102102967).

Almost surely, 2^204205933 is an apocalyptic number.

It is an amenable number.

204205933 is a deficient number, since it is larger than the sum of its proper divisors (1).

204205933 is an equidigital number, since it uses as much as digits as its factorization.

204205933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 204205933 is about 14290.0641356153. The cubic root of 204205933 is about 588.8745499152.

The spelling of 204205933 in words is "two hundred four million, two hundred five thousand, nine hundred thirty-three".