531076812 has 24 divisors (see below), whose sum is σ = 1416205056. Its totient is φ = 151736208.

The previous prime is 531076769. The next prime is 531076823. The reversal of 531076812 is 218670135.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3161088 + ... + 3161255.

It is an arithmetic number, because the mean of its divisors is an integer number (59008544).

Almost surely, 2^531076812 is an apocalyptic number.

It is an amenable number.

531076812 is an abundant number, since it is smaller than the sum of its proper divisors (885128244).

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

531076812 is a wasteful number, since it uses less digits than its factorization.

531076812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6322357 (or 6322355 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 531076812 is about 23045.1038617751. The cubic root of 531076812 is about 809.8149310459.

The spelling of 531076812 in words is "five hundred thirty-one million, seventy-six thousand, eight hundred twelve".