2661233 has 2 divisors, whose sum is σ = 2661234. Its totient is φ = 2661232.

The previous prime is 2661221. The next prime is 2661251. The reversal of 2661233 is 3321662.

2661233 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., 1993744 + 667489 = 1412^2 + 817^2 .

It is a cyclic number.

It is not a de Polignac number, because 2661233 - 2¹⁴ = 2644849 is a prime.

It is a super-2 number, since 2×2661233² = 14164322160578, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2 + 6⁷ + 6⁸ + 1 + 2¹⁹ + 3⁵ + 3¹¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2661199 and 2661208.

It is not a weakly prime, because it can be changed into another prime (2661283) 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, 1330616 + 1330617.

It is an arithmetic number, because the mean of its divisors is an integer number (1330617).

2^2661233 is an apocalyptic number.

It is an amenable number.

2661233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2661233 is an equidigital number, since it uses as much as digits as its factorization.

2661233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 23.

The square root of 2661233 is about 1631.3285996390. The cubic root of 2661233 is about 138.5780034737.

Adding to 2661233 its reverse (3321662), we get a palindrome (5982895).

The spelling of 2661233 in words is "two million, six hundred sixty-one thousand, two hundred thirty-three".