531981852 has 48 divisors (see below), whose sum is σ = 1261159200. Its totient is φ = 174512128.

The previous prime is 531981839. The next prime is 531981869. The reversal of 531981852 is 258189135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200728 + ... + 203360.

It is an arithmetic number, because the mean of its divisors is an integer number (26274150).

Almost surely, 2^531981852 is an apocalyptic number.

It is an amenable number.

531981852 is an abundant number, since it is smaller than the sum of its proper divisors (729177348).

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

531981852 is a wasteful number, since it uses less digits than its factorization.

531981852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902 (or 2900 counting only the distinct ones).

The product of its digits is 86400, while the sum is 42.

The square root of 531981852 is about 23064.7317781933. The cubic root of 531981852 is about 810.2746881203.

The spelling of 531981852 in words is "five hundred thirty-one million, nine hundred eighty-one thousand, eight hundred fifty-two".