4021133 has 4 divisors (see below), whose sum is σ = 4028508. Its totient is φ = 4013760.

The previous prime is 4021099. The next prime is 4021151. The reversal of 4021133 is 3311204.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2111209 + 1909924 = 1453^2 + 1382^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021133 - 2¹⁶ = 3955597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021153) 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, 2798 + ... + 3983.

It is an arithmetic number, because the mean of its divisors is an integer number (1007127).

Almost surely, 2^4021133 is an apocalyptic number.

It is an amenable number.

4021133 is a deficient number, since it is larger than the sum of its proper divisors (7375).

4021133 is an equidigital number, since it uses as much as digits as its factorization.

4021133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7374.

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

The square root of 4021133 is about 2005.2762901905. The cubic root of 4021133 is about 159.0191688715.

Adding to 4021133 its reverse (3311204), we get a palindrome (7332337).

The spelling of 4021133 in words is "four million, twenty-one thousand, one hundred thirty-three".