801327491 has 2 divisors, whose sum is σ = 801327492. Its totient is φ = 801327490.

The previous prime is 801327481. The next prime is 801327509. The reversal of 801327491 is 194723108.

801327491 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 is a cyclic number.

It is not a de Polignac number, because 801327491 - 2¹⁴ = 801311107 is a prime.

It is not a weakly prime, because it can be changed into another prime (801327481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400663745 + 400663746.

It is an arithmetic number, because the mean of its divisors is an integer number (400663746).

Almost surely, 2^801327491 is an apocalyptic number.

801327491 is a deficient number, since it is larger than the sum of its proper divisors (1).

801327491 is an equidigital number, since it uses as much as digits as its factorization.

801327491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 801327491 is about 28307.7284676818. The cubic root of 801327491 is about 928.8309552552.

The spelling of 801327491 in words is "eight hundred one million, three hundred twenty-seven thousand, four hundred ninety-one".