531296 has 12 divisors (see below), whose sum is σ = 1046052. Its totient is φ = 265632.

The previous prime is 531287. The next prime is 531299. The reversal of 531296 is 692135.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531299) by changing a digit.

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 as a sum of consecutive naturals, namely, 8270 + ... + 8333.

It is an arithmetic number, because the mean of its divisors is an integer number (87171).

531296 is a Friedman number, since it can be written as 9^6-5*(31-2), using all its digits and the basic arithmetic operations.

2⁵³¹²⁹⁶ is an apocalyptic number.

It is an amenable number.

531296 is a deficient number, since it is larger than the sum of its proper divisors (514756).

531296 is a wasteful number, since it uses less digits than its factorization.

531296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16613 (or 16605 counting only the distinct ones).

The product of its digits is 1620, while the sum is 26.

The square root of 531296 is about 728.9005419123. The cubic root of 531296 is about 80.9926325667.

It can be divided in two parts, 53129 and 6, that added together give a palindrome (53135).

The spelling of 531296 in words is "five hundred thirty-one thousand, two hundred ninety-six".