813450512 has 40 divisors (see below), whose sum is σ = 1804426176. Its totient is φ = 347999616.

The previous prime is 813450503. The next prime is 813450563. The reversal of 813450512 is 215054318.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59558 + ... + 71930.

Almost surely, 2^813450512 is an apocalyptic number.

It is an amenable number.

813450512 is an abundant number, since it is smaller than the sum of its proper divisors (990975664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813450512 is a wasteful number, since it uses less digits than its factorization.

813450512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12975 (or 12969 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 813450512 is about 28521.0538374724. The cubic root of 813450512 is about 933.4915239804.

The spelling of 813450512 in words is "eight hundred thirteen million, four hundred fifty thousand, five hundred twelve".