801641231 has 2 divisors, whose sum is σ = 801641232. Its totient is φ = 801641230.

The previous prime is 801641219. The next prime is 801641237. The reversal of 801641231 is 132146108.

801641231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 801641231 - 2¹⁰ = 801640207 is a prime.

It is a super-2 number, since 2×801641231² = 1285257326478390722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 801641231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801641237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400820615 + 400820616.

It is an arithmetic number, because the mean of its divisors is an integer number (400820616).

Almost surely, 2^801641231 is an apocalyptic number.

801641231 is a deficient number, since it is larger than the sum of its proper divisors (1).

801641231 is an equidigital number, since it uses as much as digits as its factorization.

801641231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 801641231 is about 28313.2695215512. The cubic root of 801641231 is about 928.9521597164.

Adding to 801641231 its reverse (132146108), we get a palindrome (933787339).

The spelling of 801641231 in words is "eight hundred one million, six hundred forty-one thousand, two hundred thirty-one".