252210206 has 4 divisors (see below), whose sum is σ = 378315312. Its totient is φ = 126105102.

The previous prime is 252210197. The next prime is 252210221. The reversal of 252210206 is 602012252.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63052550 + ... + 63052553.

It is an arithmetic number, because the mean of its divisors is an integer number (94578828).

Almost surely, 2^252210206 is an apocalyptic number.

252210206 is a deficient number, since it is larger than the sum of its proper divisors (126105106).

252210206 is a wasteful number, since it uses less digits than its factorization.

252210206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126105105.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 252210206 is about 15881.1273529306. The cubic root of 252210206 is about 631.8115375010.

Adding to 252210206 its reverse (602012252), we get a palindrome (854222458).

The spelling of 252210206 in words is "two hundred fifty-two million, two hundred ten thousand, two hundred six".