252643211 has 8 divisors (see below), whose sum is σ = 260994048. Its totient is φ = 244305000.

The previous prime is 252643199. The next prime is 252643217. The reversal of 252643211 is 112346252.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 252643211 - 2⁶ = 252643147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252643217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54536 + ... + 58986.

It is an arithmetic number, because the mean of its divisors is an integer number (32624256).

Almost surely, 2^252643211 is an apocalyptic number.

252643211 is a deficient number, since it is larger than the sum of its proper divisors (8350837).

252643211 is a wasteful number, since it uses less digits than its factorization.

252643211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6313.

The product of its digits is 2880, while the sum is 26.

The square root of 252643211 is about 15894.7541975332. The cubic root of 252643211 is about 632.1729042423.

Adding to 252643211 its reverse (112346252), we get a palindrome (364989463).

The spelling of 252643211 in words is "two hundred fifty-two million, six hundred forty-three thousand, two hundred eleven".