813480071 has 2 divisors, whose sum is σ = 813480072. Its totient is φ = 813480070.

The previous prime is 813480061. The next prime is 813480091. The reversal of 813480071 is 170084318.

813480071 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 813480071 - 2¹⁴ = 813463687 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (813480061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406740035 + 406740036.

It is an arithmetic number, because the mean of its divisors is an integer number (406740036).

Almost surely, 2^813480071 is an apocalyptic number.

813480071 is a deficient number, since it is larger than the sum of its proper divisors (1).

813480071 is an equidigital number, since it uses as much as digits as its factorization.

813480071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 813480071 is about 28521.5720289047. The cubic root of 813480071 is about 933.5028308521.

The spelling of 813480071 in words is "eight hundred thirteen million, four hundred eighty thousand, seventy-one".