204610873 has 2 divisors, whose sum is σ = 204610874. Its totient is φ = 204610872.

The previous prime is 204610871. The next prime is 204610877. The reversal of 204610873 is 378016402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197037369 + 7573504 = 14037^2 + 2752^2 .

It is a cyclic number.

It is not a de Polignac number, because 204610873 - 2¹ = 204610871 is a prime.

Together with 204610871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (204610871) 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, 102305436 + 102305437.

It is an arithmetic number, because the mean of its divisors is an integer number (102305437).

Almost surely, 2^204610873 is an apocalyptic number.

It is an amenable number.

204610873 is a deficient number, since it is larger than the sum of its proper divisors (1).

204610873 is an equidigital number, since it uses as much as digits as its factorization.

204610873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 204610873 is about 14304.2257043155. The cubic root of 204610873 is about 589.2635386336.

The spelling of 204610873 in words is "two hundred four million, six hundred ten thousand, eight hundred seventy-three".