204319147 has 2 divisors, whose sum is σ = 204319148. Its totient is φ = 204319146.

The previous prime is 204319133. The next prime is 204319229. The reversal of 204319147 is 741913402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204319147 - 2¹⁹ = 203794859 is a prime.

It is a Chen prime.

It is equal to p_11304769 and since 204319147 and 11304769 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (204319127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102159573 + 102159574.

It is an arithmetic number, because the mean of its divisors is an integer number (102159574).

Almost surely, 2^204319147 is an apocalyptic number.

204319147 is a deficient number, since it is larger than the sum of its proper divisors (1).

204319147 is an equidigital number, since it uses as much as digits as its factorization.

204319147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 204319147 is about 14294.0248705534. The cubic root of 204319147 is about 588.9833559711.

The spelling of 204319147 in words is "two hundred four million, three hundred nineteen thousand, one hundred forty-seven".