2011252443 has 4 divisors (see below), whose sum is σ = 2681669928. Its totient is φ = 1340834960.

The previous prime is 2011252409. The next prime is 2011252487. The reversal of 2011252443 is 3442521102.

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 2011252443 - 2¹² = 2011248347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011252493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335208738 + ... + 335208743.

It is an arithmetic number, because the mean of its divisors is an integer number (670417482).

Almost surely, 2^2011252443 is an apocalyptic number.

2011252443 is a deficient number, since it is larger than the sum of its proper divisors (670417485).

2011252443 is an equidigital number, since it uses as much as digits as its factorization.

2011252443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670417484.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2011252443 is about 44846.9892300475. The cubic root of 2011252443 is about 1262.2794973266.

Adding to 2011252443 its reverse (3442521102), we get a palindrome (5453773545).

The spelling of 2011252443 in words is "two billion, eleven million, two hundred fifty-two thousand, four hundred forty-three".