531642324 has 24 divisors (see below), whose sum is σ = 1246801248. Its totient is φ = 176313760.

The previous prime is 531642313. The next prime is 531642341. The reversal of 531642324 is 423246135.

It is a junction number, because it is equal to n+sod(n) for n = 531642291 and 531642300.

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, 110082 + ... + 114809.

It is an arithmetic number, because the mean of its divisors is an integer number (51950052).

Almost surely, 2^531642324 is an apocalyptic number.

It is an amenable number.

531642324 is an abundant number, since it is smaller than the sum of its proper divisors (715158924).

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

531642324 is a wasteful number, since it uses less digits than its factorization.

531642324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225095 (or 225093 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 531642324 is about 23057.3702750335. The cubic root of 531642324 is about 810.1022702754.

Adding to 531642324 its reverse (423246135), we get a palindrome (954888459).

The spelling of 531642324 in words is "five hundred thirty-one million, six hundred forty-two thousand, three hundred twenty-four".