2661133 has 4 divisors (see below), whose sum is σ = 2747008. Its totient is φ = 2575260.

The previous prime is 2661119. The next prime is 2661137. The reversal of 2661133 is 3311662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2661133 - 2⁹ = 2660621 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 (2661137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42891 + ... + 42952.

It is an arithmetic number, because the mean of its divisors is an integer number (686752).

2^2661133 is an apocalyptic number.

It is an amenable number.

2661133 is a deficient number, since it is larger than the sum of its proper divisors (85875).

2661133 is an equidigital number, since it uses as much as digits as its factorization.

2661133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85874.

The product of its digits is 648, while the sum is 22.

The square root of 2661133 is about 1631.2979494868. The cubic root of 2661133 is about 138.5762676900.

Adding to 2661133 its reverse (3311662), we get a palindrome (5972795).

The spelling of 2661133 in words is "two million, six hundred sixty-one thousand, one hundred thirty-three".