531323 has 8 divisors (see below), whose sum is σ = 597408. Its totient is φ = 468864.

The previous prime is 531299. The next prime is 531331. The reversal of 531323 is 323135.

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 531323 - 2¹⁴ = 514939 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590 + ... + 1187.

It is an arithmetic number, because the mean of its divisors is an integer number (74676).

2⁵³¹³²³ is an apocalyptic number.

531323 is a deficient number, since it is larger than the sum of its proper divisors (66085).

531323 is a wasteful number, since it uses less digits than its factorization.

531323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813.

The product of its digits is 270, while the sum is 17.

The square root of 531323 is about 728.9190627223. The cubic root of 531323 is about 80.9940045352.

Adding to 531323 its reverse (323135), we get a palindrome (854458).

It can be divided in two parts, 53132 and 3, that added together give a palindrome (53135).

The spelling of 531323 in words is "five hundred thirty-one thousand, three hundred twenty-three".