252506 has 8 divisors (see below), whose sum is σ = 381024. Its totient is φ = 125500.

The previous prime is 252481. The next prime is 252509. The reversal of 252506 is 605252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252506.

It is not an unprimeable number, because it can be changed into a prime (252509) by changing a digit.

252506 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, 251 + ... + 753.

It is an arithmetic number, because the mean of its divisors is an integer number (47628).

2²⁵²⁵⁰⁶ is an apocalyptic number.

It is a pronic number, being equal to 502×503.

252506 is a deficient number, since it is larger than the sum of its proper divisors (128518).

252506 is a wasteful number, since it uses less digits than its factorization.

252506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 252506 is about 502.4997512437. The cubic root of 252506 is about 63.2058438756.

Adding to 252506 its reverse (605252), we get a palindrome (857758).

The spelling of 252506 in words is "two hundred fifty-two thousand, five hundred six".