801011 has 2 divisors, whose sum is σ = 801012. Its totient is φ = 801010.

The previous prime is 801007. The next prime is 801019. The reversal of 801011 is 110108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 801011 - 2² = 801007 is a prime.

It is a Chen prime.

It is a nialpdrome in base 7.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 800983 and 801001.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 801011.

It is not a weakly prime, because it can be changed into another prime (801019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400505 + 400506.

It is an arithmetic number, because the mean of its divisors is an integer number (400506).

2⁸⁰¹⁰¹¹ is an apocalyptic number.

801011 is a deficient number, since it is larger than the sum of its proper divisors (1).

801011 is an equidigital number, since it uses as much as digits as its factorization.

801011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 801011 is about 894.9921787368. The cubic root of 801011 is about 92.8708655966.

Adding to 801011 its reverse (110108), we get a palindrome (911119).

The spelling of 801011 in words is "eight hundred one thousand, eleven".