252011 has 4 divisors (see below), whose sum is σ = 262992. Its totient is φ = 241032.

The previous prime is 252001. The next prime is 252013. The reversal of 252011 is 110252.

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 252011 - 2⁶ = 251947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 251983 and 252001.

It is not an unprimeable number, because it can be changed into a prime (252013) 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, 5456 + ... + 5501.

It is an arithmetic number, because the mean of its divisors is an integer number (65748).

2²⁵²⁰¹¹ is an apocalyptic number.

252011 is a deficient number, since it is larger than the sum of its proper divisors (10981).

252011 is a wasteful number, since it uses less digits than its factorization.

252011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10980.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 252011 is about 502.0069720631. The cubic root of 252011 is about 63.1645150102.

Adding to 252011 its reverse (110252), we get a palindrome (362263).

The spelling of 252011 in words is "two hundred fifty-two thousand, eleven".