531880 has 16 divisors (see below), whose sum is σ = 1196820. Its totient is φ = 212736.

The previous prime is 531877. The next prime is 531901. The reversal of 531880 is 88135.

It can be written as a sum of positive squares in 2 ways, for example, as 438244 + 93636 = 662^2 + 306^2 .

It is a plaindrome in base 11.

It is a nialpdrome in 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, 6609 + ... + 6688.

2⁵³¹⁸⁸⁰ is an apocalyptic number.

It is an amenable number.

531880 is an abundant number, since it is smaller than the sum of its proper divisors (664940).

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

531880 is a wasteful number, since it uses less digits than its factorization.

531880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13308 (or 13304 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 531880 is about 729.3010352385. The cubic root of 531880 is about 81.0222973721.

The spelling of 531880 in words is "five hundred thirty-one thousand, eight hundred eighty".