531324503 has 8 divisors (see below), whose sum is σ = 534126960. Its totient is φ = 528528960.

The previous prime is 531324487. The next prime is 531324517. The reversal of 531324503 is 305423135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531324503 - 2⁴ = 531324487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531324203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222908 + ... + 225278.

It is an arithmetic number, because the mean of its divisors is an integer number (66765870).

Almost surely, 2^531324503 is an apocalyptic number.

531324503 is a deficient number, since it is larger than the sum of its proper divisors (2802457).

531324503 is a wasteful number, since it uses less digits than its factorization.

531324503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3457.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 531324503 is about 23050.4772835618. The cubic root of 531324503 is about 809.9408090670.

Adding to 531324503 its reverse (305423135), we get a palindrome (836747638).

The spelling of 531324503 in words is "five hundred thirty-one million, three hundred twenty-four thousand, five hundred three".