252206 has 8 divisors (see below), whose sum is σ = 398280. Its totient is φ = 119448.

The previous prime is 252193. The next prime is 252209. The reversal of 252206 is 602252.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252209) by changing a digit.

252206 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, 3281 + ... + 3356.

It is an arithmetic number, because the mean of its divisors is an integer number (49785).

2²⁵²²⁰⁶ is an apocalyptic number.

252206 is a deficient number, since it is larger than the sum of its proper divisors (146074).

252206 is a wasteful number, since it uses less digits than its factorization.

252206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6658.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 252206 is about 502.2011549170. The cubic root of 252206 is about 63.1808025333.

Adding to 252206 its reverse (602252), we get a palindrome (854458).

The spelling of 252206 in words is "two hundred fifty-two thousand, two hundred six".