531252 has 24 divisors (see below), whose sum is σ = 1377600. Its totient is φ = 177048.

The previous prime is 531239. The next prime is 531253. The reversal of 531252 is 252135.

It is a happy number.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531253) by changing a digit.

531252 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 7 ways as a sum of consecutive naturals, for example, 2352 + ... + 2567.

It is an arithmetic number, because the mean of its divisors is an integer number (57400).

2⁵³¹²⁵² is an apocalyptic number.

It is an amenable number.

531252 is an abundant number, since it is smaller than the sum of its proper divisors (846348).

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

531252 is a wasteful number, since it uses less digits than its factorization.

531252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932 (or 4924 counting only the distinct ones).

The product of its digits is 300, while the sum is 18.

The square root of 531252 is about 728.8703588431. The cubic root of 531252 is about 80.9903966667.

Adding to 531252 its reverse (252135), we get a palindrome (783387).

The spelling of 531252 in words is "five hundred thirty-one thousand, two hundred fifty-two".