204726001 has 2 divisors, whose sum is σ = 204726002. Its totient is φ = 204726000.

The previous prime is 204725999. The next prime is 204726017. The reversal of 204726001 is 100627402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130507776 + 74218225 = 11424^2 + 8615^2 .

It is a cyclic number.

It is not a de Polignac number, because 204726001 - 2¹ = 204725999 is a prime.

Together with 204725999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (204726061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102363000 + 102363001.

It is an arithmetic number, because the mean of its divisors is an integer number (102363001).

Almost surely, 2^204726001 is an apocalyptic number.

It is an amenable number.

204726001 is a deficient number, since it is larger than the sum of its proper divisors (1).

204726001 is an equidigital number, since it uses as much as digits as its factorization.

204726001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 204726001 is about 14308.2494037531. The cubic root of 204726001 is about 589.3740378326.

The spelling of 204726001 in words is "two hundred four million, seven hundred twenty-six thousand, one".