531244 has 12 divisors (see below), whose sum is σ = 1062544. Its totient is φ = 227664.

The previous prime is 531239. The next prime is 531253. The reversal of 531244 is 442135.

531244 is an admirable number.

It is a nialpdrome in base 9 and base 14.

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, 9459 + ... + 9514.

2⁵³¹²⁴⁴ is an apocalyptic number.

It is an amenable number.

531244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531244 is a wasteful number, since it uses less digits than its factorization.

531244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18984 (or 18982 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 531244 is about 728.8648708780. The cubic root of 531244 is about 80.9899901261.

Adding to 531244 its reverse (442135), we get a palindrome (973379).

It can be divided in two parts, 5312 and 44, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 531244 in words is "five hundred thirty-one thousand, two hundred forty-four".