813452071 has 2 divisors, whose sum is σ = 813452072. Its totient is φ = 813452070.

The previous prime is 813452051. The next prime is 813452089. The reversal of 813452071 is 170254318.

813452071 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 813452071 - 2⁵ = 813452039 is a prime.

It is equal to p_41802295 and since 813452071 and 41802295 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (813452051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406726035 + 406726036.

It is an arithmetic number, because the mean of its divisors is an integer number (406726036).

Almost surely, 2^813452071 is an apocalyptic number.

813452071 is a deficient number, since it is larger than the sum of its proper divisors (1).

813452071 is an equidigital number, since it uses as much as digits as its factorization.

813452071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 813452071 is about 28521.0811681465. The cubic root of 813452071 is about 933.4921203340.

The spelling of 813452071 in words is "eight hundred thirteen million, four hundred fifty-two thousand, seventy-one".