2158433 has 2 divisors, whose sum is σ = 2158434. Its totient is φ = 2158432.

The previous prime is 2158427. The next prime is 2158447. The reversal of 2158433 is 3348512.

2158433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2007889 + 150544 = 1417^2 + 388^2 .

It is a cyclic number.

It is not a de Polignac number, because 2158433 - 2⁶ = 2158369 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2158423) 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 as a sum of consecutive naturals, namely, 1079216 + 1079217.

It is an arithmetic number, because the mean of its divisors is an integer number (1079217).

2^2158433 is an apocalyptic number.

It is an amenable number.

2158433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2158433 is an equidigital number, since it uses as much as digits as its factorization.

2158433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 2158433 is about 1469.1606447220. The cubic root of 2158433 is about 129.2348145882.

The spelling of 2158433 in words is "two million, one hundred fifty-eight thousand, four hundred thirty-three".