531764 has 12 divisors (see below), whose sum is σ = 956004. Its totient is φ = 258624.

The previous prime is 531731. The next prime is 531793. The reversal of 531764 is 467135.

It can be written as a sum of positive squares in 2 ways, for example, as 336400 + 195364 = 580^2 + 442^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 531764.

It is an unprimeable number.

531764 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1649 + ... + 1944.

It is an arithmetic number, because the mean of its divisors is an integer number (79667).

2⁵³¹⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

531764 is a deficient number, since it is larger than the sum of its proper divisors (424240).

531764 is a wasteful number, since it uses less digits than its factorization.

531764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3634 (or 3632 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 531764 is about 729.2215027000. The cubic root of 531764 is about 81.0164067766.

Adding to 531764 its reverse (467135), we get a palindrome (998899).

The spelling of 531764 in words is "five hundred thirty-one thousand, seven hundred sixty-four".