240252 has 12 divisors (see below), whose sum is σ = 560616. Its totient is φ = 80080.

The previous prime is 240209. The next prime is 240257. The reversal of 240252 is 252042.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240257) by changing a digit.

240252 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9999 + ... + 10022.

It is an arithmetic number, because the mean of its divisors is an integer number (46718).

2²⁴⁰²⁵² is an apocalyptic number.

It is an amenable number.

240252 is an abundant number, since it is smaller than the sum of its proper divisors (320364).

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

240252 is a wasteful number, since it uses less digits than its factorization.

240252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20028 (or 20026 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 240252 is about 490.1550775010. The cubic root of 240252 is about 62.1663931383.

Adding to 240252 its reverse (252042), we get a palindrome (492294).

The spelling of 240252 in words is "two hundred forty thousand, two hundred fifty-two".