812575532 has 12 divisors (see below), whose sum is σ = 1423129680. Its totient is φ = 405967056.

The previous prime is 812575529. The next prime is 812575567. The reversal of 812575532 is 235575218.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74432 + ... + 84647.

It is an arithmetic number, because the mean of its divisors is an integer number (118594140).

Almost surely, 2^812575532 is an apocalyptic number.

It is an amenable number.

812575532 is a deficient number, since it is larger than the sum of its proper divisors (610554148).

812575532 is a wasteful number, since it uses less digits than its factorization.

812575532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160360 (or 160358 counting only the distinct ones).

The product of its digits is 84000, while the sum is 38.

The square root of 812575532 is about 28505.7105156142. The cubic root of 812575532 is about 933.1567035938.

The spelling of 812575532 in words is "eight hundred twelve million, five hundred seventy-five thousand, five hundred thirty-two".