204708629 has 2 divisors, whose sum is σ = 204708630. Its totient is φ = 204708628.

The previous prime is 204708607. The next prime is 204708659. The reversal of 204708629 is 926807402.

204708629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157126225 + 47582404 = 12535^2 + 6898^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204708629 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 204708592 and 204708601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204708659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102354314 + 102354315.

It is an arithmetic number, because the mean of its divisors is an integer number (102354315).

Almost surely, 2^204708629 is an apocalyptic number.

It is an amenable number.

204708629 is a deficient number, since it is larger than the sum of its proper divisors (1).

204708629 is an equidigital number, since it uses as much as digits as its factorization.

204708629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 204708629 is about 14307.6423284900. The cubic root of 204708629 is about 589.3573669402.

The spelling of 204708629 in words is "two hundred four million, seven hundred eight thousand, six hundred twenty-nine".