531322 has 8 divisors (see below), whose sum is σ = 869472. Its totient is φ = 241500.

The previous prime is 531299. The next prime is 531331. The reversal of 531322 is 223135.

531322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a plaindrome in base 13.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 531296 and 531305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12054 + ... + 12097.

It is an arithmetic number, because the mean of its divisors is an integer number (108684).

2⁵³¹³²² is an apocalyptic number.

531322 is a deficient number, since it is larger than the sum of its proper divisors (338150).

531322 is a wasteful number, since it uses less digits than its factorization.

531322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24164.

The product of its digits is 180, while the sum is 16.

The square root of 531322 is about 728.9183767748. The cubic root of 531322 is about 80.9939537223.

Adding to 531322 its reverse (223135), we get a palindrome (754457).

It can be divided in two parts, 5313 and 22, that multiplied together give a triangular number (116886 = T₄₈₃).

The spelling of 531322 in words is "five hundred thirty-one thousand, three hundred twenty-two".