801841 has 2 divisors, whose sum is σ = 801842. Its totient is φ = 801840.

The previous prime is 801833. The next prime is 801859. The reversal of 801841 is 148108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 531441 + 270400 = 729^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 801841 - 2³ = 801833 is a prime.

It is not a weakly prime, because it can be changed into another prime (801811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400920 + 400921.

It is an arithmetic number, because the mean of its divisors is an integer number (400921).

2⁸⁰¹⁸⁴¹ is an apocalyptic number.

It is an amenable number.

801841 is a deficient number, since it is larger than the sum of its proper divisors (1).

801841 is an equidigital number, since it uses as much as digits as its factorization.

801841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 801841 is about 895.4557498838. The cubic root of 801841 is about 92.9029318269.

Adding to 801841 its reverse (148108), we get a palindrome (949949).

The spelling of 801841 in words is "eight hundred one thousand, eight hundred forty-one".