801205673 has 2 divisors, whose sum is σ = 801205674. Its totient is φ = 801205672.

The previous prime is 801205651. The next prime is 801205687. The reversal of 801205673 is 376502108.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 792253609 + 8952064 = 28147^2 + 2992^2 .

It is a cyclic number.

It is not a de Polignac number, because 801205673 - 2¹⁸ = 800943529 is a prime.

It is not a weakly prime, because it can be changed into another prime (801205973) 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, 400602836 + 400602837.

It is an arithmetic number, because the mean of its divisors is an integer number (400602837).

Almost surely, 2^801205673 is an apocalyptic number.

It is an amenable number.

801205673 is a deficient number, since it is larger than the sum of its proper divisors (1).

801205673 is an equidigital number, since it uses as much as digits as its factorization.

801205673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 801205673 is about 28305.5767120191. The cubic root of 801205673 is about 928.7838858341.

The spelling of 801205673 in words is "eight hundred one million, two hundred five thousand, six hundred seventy-three".