531096216 has 64 divisors (see below), whose sum is σ = 1566382080. Its totient is φ = 146845440.

The previous prime is 531096157. The next prime is 531096221. The reversal of 531096216 is 612690135.

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 15 ways as a sum of consecutive naturals, for example, 45781 + ... + 56196.

It is an arithmetic number, because the mean of its divisors is an integer number (24474720).

Almost surely, 2^531096216 is an apocalyptic number.

531096216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

531096216 is an abundant number, since it is smaller than the sum of its proper divisors (1035285864).

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

531096216 is a wasteful number, since it uses less digits than its factorization.

531096216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102024 (or 102020 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 531096216 is about 23045.5248584188. The cubic root of 531096216 is about 809.8247936854.

The spelling of 531096216 in words is "five hundred thirty-one million, ninety-six thousand, two hundred sixteen".