812852052 has 24 divisors (see below), whose sum is σ = 1897222656. Its totient is φ = 270869568.

The previous prime is 812852017. The next prime is 812852057. The reversal of 812852052 is 250258218.

It is a super-2 number, since 2×812852052² = 1321456916881221408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812852057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42573 + ... + 58635.

It is an arithmetic number, because the mean of its divisors is an integer number (79050944).

Almost surely, 2^812852052 is an apocalyptic number.

It is an amenable number.

812852052 is an abundant number, since it is smaller than the sum of its proper divisors (1084370604).

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

812852052 is a wasteful number, since it uses less digits than its factorization.

812852052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20287 (or 20285 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 812852052 is about 28510.5603592774. The cubic root of 812852052 is about 933.2625428735.

The spelling of 812852052 in words is "eight hundred twelve million, eight hundred fifty-two thousand, fifty-two".