4243133 has 4 divisors (see below), whose sum is σ = 4247868. Its totient is φ = 4238400.

The previous prime is 4243121. The next prime is 4243139. The reversal of 4243133 is 3313424.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1295044 + 2948089 = 1138^2 + 1717^2 .

It is a cyclic number.

It is not a de Polignac number, because 4243133 - 2⁴ = 4243117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566 + ... + 2967.

It is an arithmetic number, because the mean of its divisors is an integer number (1061967).

Almost surely, 2^4243133 is an apocalyptic number.

It is an amenable number.

4243133 is a deficient number, since it is larger than the sum of its proper divisors (4735).

4243133 is a wasteful number, since it uses less digits than its factorization.

4243133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4734.

The product of its digits is 864, while the sum is 20.

The square root of 4243133 is about 2059.8866473668. The cubic root of 4243133 is about 161.8933021946.

Adding to 4243133 its reverse (3313424), we get a palindrome (7556557).

The spelling of 4243133 in words is "four million, two hundred forty-three thousand, one hundred thirty-three".