531236324 has 12 divisors (see below), whose sum is σ = 931874748. Its totient is φ = 264986400.

The previous prime is 531236291. The next prime is 531236327. The reversal of 531236324 is 423632135.

It can be written as a sum of positive squares in 2 ways, for example, as 39816100 + 491420224 = 6310^2 + 22168^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (531236327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156047 + ... + 159414.

It is an arithmetic number, because the mean of its divisors is an integer number (77656229).

Almost surely, 2^531236324 is an apocalyptic number.

It is an amenable number.

531236324 is a deficient number, since it is larger than the sum of its proper divisors (400638424).

531236324 is a wasteful number, since it uses less digits than its factorization.

531236324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315886 (or 315884 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

The square root of 531236324 is about 23048.5644672288. The cubic root of 531236324 is about 809.8960004666.

Adding to 531236324 its reverse (423632135), we get a palindrome (954868459).

The spelling of 531236324 in words is "five hundred thirty-one million, two hundred thirty-six thousand, three hundred twenty-four".