531162 has 24 divisors (see below), whose sum is σ = 1201824. Its totient is φ = 169224.

The previous prime is 531143. The next prime is 531163. The reversal of 531162 is 261135.

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

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (531163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228 + ... + 1055.

It is an arithmetic number, because the mean of its divisors is an integer number (50076).

2⁵³¹¹⁶² is an apocalyptic number.

531162 is an abundant number, since it is smaller than the sum of its proper divisors (670662).

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

531162 is a wasteful number, since it uses less digits than its factorization.

531162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1311 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 531162 is about 728.8086168536. The cubic root of 531162 is about 80.9858228503.

Adding to 531162 its reverse (261135), we get a palindrome (792297).

The spelling of 531162 in words is "five hundred thirty-one thousand, one hundred sixty-two".