801871271 has 2 divisors, whose sum is σ = 801871272. Its totient is φ = 801871270.

The previous prime is 801871243. The next prime is 801871337. The reversal of 801871271 is 172178108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 801871271 - 2⁶ = 801871207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801871211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400935635 + 400935636.

It is an arithmetic number, because the mean of its divisors is an integer number (400935636).

Almost surely, 2^801871271 is an apocalyptic number.

801871271 is a deficient number, since it is larger than the sum of its proper divisors (1).

801871271 is an equidigital number, since it uses as much as digits as its factorization.

801871271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 35.

The square root of 801871271 is about 28317.3316362965. The cubic root of 801871271 is about 929.0410089876.

The spelling of 801871271 in words is "eight hundred one million, eight hundred seventy-one thousand, two hundred seventy-one".