812603052 has 18 divisors (see below), whose sum is σ = 2054080028. Its totient is φ = 270867672.

The previous prime is 812602993. The next prime is 812603063. The reversal of 812603052 is 250306218.

812603052 is a `hidden beast` number, since 8 + 1 + 2 + 603 + 0 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11286118 + ... + 11286189.

Almost surely, 2^812603052 is an apocalyptic number.

It is an amenable number.

812603052 is an abundant number, since it is smaller than the sum of its proper divisors (1241476976).

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

812603052 is a wasteful number, since it uses less digits than its factorization.

812603052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22572317 (or 22572312 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 812603052 is about 28506.1932218246. The cubic root of 812603052 is about 933.1672380740.

The spelling of 812603052 in words is "eight hundred twelve million, six hundred three thousand, fifty-two".