204479329 has 2 divisors, whose sum is σ = 204479330. Its totient is φ = 204479328.

The previous prime is 204479299. The next prime is 204479339. The reversal of 204479329 is 923974402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111260304 + 93219025 = 10548^2 + 9655^2 .

It is a cyclic number.

It is not a de Polignac number, because 204479329 - 2¹⁷ = 204348257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204479291 and 204479300.

It is not a weakly prime, because it can be changed into another prime (204479339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102239664 + 102239665.

It is an arithmetic number, because the mean of its divisors is an integer number (102239665).

Almost surely, 2^204479329 is an apocalyptic number.

It is an amenable number.

204479329 is a deficient number, since it is larger than the sum of its proper divisors (1).

204479329 is an equidigital number, since it uses as much as digits as its factorization.

204479329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 204479329 is about 14299.6268832442. The cubic root of 204479329 is about 589.1372327032.

The spelling of 204479329 in words is "two hundred four million, four hundred seventy-nine thousand, three hundred twenty-nine".