531080328 has 16 divisors (see below), whose sum is σ = 1327700880. Its totient is φ = 177026768.

The previous prime is 531080311. The next prime is 531080353. The reversal of 531080328 is 823080135.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 531080295 and 531080304.

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, 11064150 + ... + 11064197.

It is an arithmetic number, because the mean of its divisors is an integer number (82981305).

Almost surely, 2^531080328 is an apocalyptic number.

It is an amenable number.

531080328 is an abundant number, since it is smaller than the sum of its proper divisors (796620552).

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

531080328 is a wasteful number, since it uses less digits than its factorization.

531080328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22128356 (or 22128352 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 531080328 is about 23045.1801468333. The cubic root of 531080328 is about 809.8167181715.

The spelling of 531080328 in words is "five hundred thirty-one million, eighty thousand, three hundred twenty-eight".