531580 has 24 divisors (see below), whose sum is σ = 1276128. Its totient is φ = 182208.

The previous prime is 531571. The next prime is 531581. The reversal of 531580 is 85135.

It is a d-powerful number, because it can be written as 5 + 3¹² + 5³ + 1 + 8 + 0 .

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1759 + ... + 2038.

It is an arithmetic number, because the mean of its divisors is an integer number (53172).

2⁵³¹⁵⁸⁰ is an apocalyptic number.

It is an amenable number.

531580 is an abundant number, since it is smaller than the sum of its proper divisors (744548).

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

531580 is a wasteful number, since it uses less digits than its factorization.

531580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813 (or 3811 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 531580 is about 729.0953298438. The cubic root of 531580 is about 81.0070613160.

It can be divided in two parts, 531 and 580, that added together give a palindrome (1111).

The spelling of 531580 in words is "five hundred thirty-one thousand, five hundred eighty".