531052144 has 40 divisors (see below), whose sum is σ = 1178877920. Its totient is φ = 227017728.

The previous prime is 531052139. The next prime is 531052163. The reversal of 531052144 is 441250135.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 40012 + ... + 51604.

It is an arithmetic number, because the mean of its divisors is an integer number (29471948).

Almost surely, 2^531052144 is an apocalyptic number.

It is an amenable number.

531052144 is an abundant number, since it is smaller than the sum of its proper divisors (647825776).

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

531052144 is a wasteful number, since it uses less digits than its factorization.

531052144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12017 (or 12011 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 531052144 is about 23044.5686442598. The cubic root of 531052144 is about 809.8023924805.

The spelling of 531052144 in words is "five hundred thirty-one million, fifty-two thousand, one hundred forty-four".