813480563 has 8 divisors (see below), whose sum is σ = 938897760. Its totient is φ = 690364800.

The previous prime is 813480553. The next prime is 813480587. The reversal of 813480563 is 365084318.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 813480563 - 2¹⁶ = 813415027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (813480553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574598 + ... + 576011.

It is an arithmetic number, because the mean of its divisors is an integer number (117362220).

Almost surely, 2^813480563 is an apocalyptic number.

813480563 is a deficient number, since it is larger than the sum of its proper divisors (125417197).

813480563 is a wasteful number, since it uses less digits than its factorization.

813480563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150717.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 813480563 is about 28521.5806539539. The cubic root of 813480563 is about 933.5030190490.

The spelling of 813480563 in words is "eight hundred thirteen million, four hundred eighty thousand, five hundred sixty-three".