204010073 has 2 divisors, whose sum is σ = 204010074. Its totient is φ = 204010072.

The previous prime is 204010067. The next prime is 204010097. The reversal of 204010073 is 370010402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202692169 + 1317904 = 14237^2 + 1148^2 .

It is a cyclic number.

It is not a de Polignac number, because 204010073 - 2⁴ = 204010057 is a prime.

It is not a weakly prime, because it can be changed into another prime (204010043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102005036 + 102005037.

It is an arithmetic number, because the mean of its divisors is an integer number (102005037).

Almost surely, 2^204010073 is an apocalyptic number.

It is an amenable number.

204010073 is a deficient number, since it is larger than the sum of its proper divisors (1).

204010073 is an equidigital number, since it uses as much as digits as its factorization.

204010073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 204010073 is about 14283.2094782650. The cubic root of 204010073 is about 588.6862206444.

Adding to 204010073 its reverse (370010402), we get a palindrome (574020475).

The spelling of 204010073 in words is "two hundred four million, ten thousand, seventy-three".