231252 has 24 divisors (see below), whose sum is σ = 616896. Its totient is φ = 66048.
The previous prime is 231241. The next prime is 231269. The reversal of 231252 is 252132.
231252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293 + ... + 1460.
It is an arithmetic number, because the mean of its divisors is an integer number (25704).
2231252 is an apocalyptic number.
It is an amenable number.
231252 is an abundant number, since it is smaller than the sum of its proper divisors (385644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231252 is a wasteful number, since it uses less digits than its factorization.
231252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2767 (or 2765 counting only the distinct ones).
The product of its digits is 120, while the sum is 15.
The square root of 231252 is about 480.8866810383. The cubic root of 231252 is about 61.3802282606.
Subtracting from 231252 its product of digits (120), we obtain a palindrome (231132).
Adding to 231252 its reverse (252132), we get a palindrome (483384).
It can be divided in two parts, 23 and 1252, that added together give a triangular number (1275 = T50).
The spelling of 231252 in words is "two hundred thirty-one thousand, two hundred fifty-two".
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