531983508 has 48 divisors (see below), whose sum is σ = 1493291520. Its totient is φ = 143995104.

The previous prime is 531983497. The next prime is 531983509. The reversal of 531983508 is 805389135.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 531983508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531983509) by changing a digit.

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, 165066 + ... + 168257.

It is an arithmetic number, because the mean of its divisors is an integer number (31110240).

Almost surely, 2^531983508 is an apocalyptic number.

It is an amenable number.

531983508 is an abundant number, since it is smaller than the sum of its proper divisors (961308012).

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

531983508 is a wasteful number, since it uses less digits than its factorization.

531983508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333356 (or 333354 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 531983508 is about 23064.7676771304. The cubic root of 531983508 is about 810.2755288842.

The spelling of 531983508 in words is "five hundred thirty-one million, nine hundred eighty-three thousand, five hundred eight".