2133361 has 2 divisors, whose sum is σ = 2133362. Its totient is φ = 2133360.

The previous prime is 2133331. The next prime is 2133367. The reversal of 2133361 is 1633312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1703025 + 430336 = 1305^2 + 656^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133361 - 2⁹ = 2132849 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 3⁷ + 3⁸ + 3⁹ + 6⁵ + 1 .

2133361 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2133367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066680 + 1066681.

It is an arithmetic number, because the mean of its divisors is an integer number (1066681).

2^2133361 is an apocalyptic number.

It is an amenable number.

2133361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133361 is an equidigital number, since it uses as much as digits as its factorization.

2133361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 19.

The square root of 2133361 is about 1460.6029576856. The cubic root of 2133361 is about 128.7324744424.

Adding to 2133361 its reverse (1633312), we get a palindrome (3766673).

The spelling of 2133361 in words is "two million, one hundred thirty-three thousand, three hundred sixty-one".