2011533241 has 4 divisors (see below), whose sum is σ = 2098991232. Its totient is φ = 1924075252.

The previous prime is 2011533217. The next prime is 2011533253. The reversal of 2011533241 is 1423351102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2011533241 - 2⁷ = 2011533113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011533341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43728961 + ... + 43729006.

It is an arithmetic number, because the mean of its divisors is an integer number (524747808).

Almost surely, 2^2011533241 is an apocalyptic number.

It is an amenable number.

2011533241 is a deficient number, since it is larger than the sum of its proper divisors (87457991).

2011533241 is an equidigital number, since it uses as much as digits as its factorization.

2011533241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87457990.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2011533241 is about 44850.1197434299. The cubic root of 2011533241 is about 1262.3382383473.

Adding to 2011533241 its reverse (1423351102), we get a palindrome (3434884343).

The spelling of 2011533241 in words is "two billion, eleven million, five hundred thirty-three thousand, two hundred forty-one".