531327 has 4 divisors (see below), whose sum is σ = 708440. Its totient is φ = 354216.

The previous prime is 531299. The next prime is 531331. The reversal of 531327 is 723135.

It is a happy number.

531327 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 531327 - 2⁶ = 531263 is a prime.

It is a d-powerful number, because it can be written as 5³ + 3² + 3⁸ + 1 + 2¹⁹ + 7³ .

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531337) 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, 88552 + ... + 88557.

It is an arithmetic number, because the mean of its divisors is an integer number (177110).

2⁵³¹³²⁷ is an apocalyptic number.

531327 is a deficient number, since it is larger than the sum of its proper divisors (177113).

531327 is a wasteful number, since it uses less digits than its factorization.

531327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177112.

The product of its digits is 630, while the sum is 21.

The square root of 531327 is about 728.9218065060. The cubic root of 531327 is about 80.9942077858.

It can be divided in two parts, 531 and 327, that added together give a palindrome (858).

The spelling of 531327 in words is "five hundred thirty-one thousand, three hundred twenty-seven".