801143081 has 2 divisors, whose sum is σ = 801143082. Its totient is φ = 801143080.

The previous prime is 801143047. The next prime is 801143117. The reversal of 801143081 is 180341108.

801143081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 738969856 + 62173225 = 27184^2 + 7885^2 .

It is a cyclic number.

It is not a de Polignac number, because 801143081 - 2¹⁸ = 800880937 is a prime.

It is a super-2 number, since 2×801143081² = 1283660472468345122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 801143081.

It is not a weakly prime, because it can be changed into another prime (801143381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400571540 + 400571541.

It is an arithmetic number, because the mean of its divisors is an integer number (400571541).

Almost surely, 2^801143081 is an apocalyptic number.

It is an amenable number.

801143081 is a deficient number, since it is larger than the sum of its proper divisors (1).

801143081 is an equidigital number, since it uses as much as digits as its factorization.

801143081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 801143081 is about 28304.4710425756. The cubic root of 801143081 is about 928.7596989713.

Adding to 801143081 its reverse (180341108), we get a palindrome (981484189).

The spelling of 801143081 in words is "eight hundred one million, one hundred forty-three thousand, eighty-one".