2011433 has 4 divisors (see below), whose sum is σ = 2014980. Its totient is φ = 2007888.

The previous prime is 2011417. The next prime is 2011439. The reversal of 2011433 is 3341102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3341102 = 2 ⋅1670551.

It can be written as a sum of positive squares in 2 ways, for example, as 153664 + 1857769 = 392^2 + 1363^2 .

It is not a de Polignac number, because 2011433 - 2⁴ = 2011417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2011439) 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, 710 + ... + 2127.

It is an arithmetic number, because the mean of its divisors is an integer number (503745).

2^2011433 is an apocalyptic number.

It is an amenable number.

2011433 is a deficient number, since it is larger than the sum of its proper divisors (3547).

2011433 is an equidigital number, since it uses as much as digits as its factorization.

2011433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2011433 is about 1418.2499779658. The cubic root of 2011433 is about 126.2317269243.

Adding to 2011433 its reverse (3341102), we get a palindrome (5352535).

The spelling of 2011433 in words is "two million, eleven thousand, four hundred thirty-three".