252211 has 4 divisors (see below), whose sum is σ = 253800. Its totient is φ = 250624.

The previous prime is 252209. The next prime is 252223. The reversal of 252211 is 112252.

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

It is a cyclic number.

It is not a de Polignac number, because 252211 - 2¹ = 252209 is a prime.

It is a super-2 number, since 2×252211² = 127220777042, which contains 22 as substring.

It is a Duffinian number.

252211 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 252191 and 252200.

It is not an unprimeable number, because it can be changed into a prime (252611) by changing a digit.

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, 526 + ... + 883.

It is an arithmetic number, because the mean of its divisors is an integer number (63450).

2²⁵²²¹¹ is an apocalyptic number.

252211 is a deficient number, since it is larger than the sum of its proper divisors (1589).

252211 is a wasteful number, since it uses less digits than its factorization.

252211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588.

The product of its digits is 40, while the sum is 13.

The square root of 252211 is about 502.2061329773. The cubic root of 252211 is about 63.1812200516.

Adding to 252211 its reverse (112252), we get a palindrome (364463).

The spelling of 252211 in words is "two hundred fifty-two thousand, two hundred eleven".