531234 has 24 divisors (see below), whose sum is σ = 1256112. Its totient is φ = 160920.

The previous prime is 531229. The next prime is 531239. The reversal of 531234 is 432135.

It is an interprime number because it is at equal distance from previous prime (531229) and next prime (531239).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 5³ + 3⁵ + 2¹⁹ + 1 + 3⁸ + 4² .

It is a Curzon number.

It is a nialpdrome in base 9 and base 14.

It is not an unprimeable number, because it can be changed into a prime (531239) by changing a digit.

531234 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1144 + ... + 1539.

It is an arithmetic number, because the mean of its divisors is an integer number (52338).

2⁵³¹²³⁴ is an apocalyptic number.

531234 is an abundant number, since it is smaller than the sum of its proper divisors (724878).

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

531234 is a wasteful number, since it uses less digits than its factorization.

531234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702 (or 2699 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 531234 is about 728.8580108636. The cubic root of 531234 is about 80.9894819447.

Adding to 531234 its reverse (432135), we get a palindrome (963369).

Subtracting from 531234 its reverse (432135), we obtain a palindrome (99099).

The spelling of 531234 in words is "five hundred thirty-one thousand, two hundred thirty-four".