2133533 has 2 divisors, whose sum is σ = 2133534. Its totient is φ = 2133532.

The previous prime is 2133487. The next prime is 2133539. The reversal of 2133533 is 3353312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1923769 + 209764 = 1387^2 + 458^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133533 - 2⁸ = 2133277 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2133539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066766 + 1066767.

It is an arithmetic number, because the mean of its divisors is an integer number (1066767).

2^2133533 is an apocalyptic number.

It is an amenable number.

2133533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133533 is an equidigital number, since it uses as much as digits as its factorization.

2133533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 20.

The square root of 2133533 is about 1460.6618362920. The cubic root of 2133533 is about 128.7359339898.

Adding to 2133533 its reverse (3353312), we get a palindrome (5486845).

The spelling of 2133533 in words is "two million, one hundred thirty-three thousand, five hundred thirty-three".