204333949 has 2 divisors, whose sum is σ = 204333950. Its totient is φ = 204333948.

The previous prime is 204333929. The next prime is 204333967. The reversal of 204333949 is 949333402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204289849 + 44100 = 14293^2 + 210^2 .

It is a cyclic number.

It is not a de Polignac number, because 204333949 - 2⁵ = 204333917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204333919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102166974 + 102166975.

It is an arithmetic number, because the mean of its divisors is an integer number (102166975).

Almost surely, 2^204333949 is an apocalyptic number.

It is an amenable number.

204333949 is a deficient number, since it is larger than the sum of its proper divisors (1).

204333949 is an equidigital number, since it uses as much as digits as its factorization.

204333949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 204333949 is about 14294.5426299690. The cubic root of 204333949 is about 588.9975786895.

It can be divided in two parts, 204 and 333949, that added together give a triangular number (334153 = T₈₁₇).

The spelling of 204333949 in words is "two hundred four million, three hundred thirty-three thousand, nine hundred forty-nine".