812333052 has 72 divisors (see below), whose sum is σ = 2127437312. Its totient is φ = 261079200.

The previous prime is 812333051. The next prime is 812333057. The reversal of 812333052 is 250333218.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812333051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341427 + ... + 343797.

Almost surely, 2^812333052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 812333052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1063718656).

812333052 is an abundant number, since it is smaller than the sum of its proper divisors (1315104260).

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

812333052 is a wasteful number, since it uses less digits than its factorization.

812333052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719 (or 2714 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 812333052 is about 28501.4570153878. The cubic root of 812333052 is about 933.0638735164.

The spelling of 812333052 in words is "eight hundred twelve million, three hundred thirty-three thousand, fifty-two".