2681333 has 4 divisors (see below), whose sum is σ = 2684640. Its totient is φ = 2678028.

The previous prime is 2681321. The next prime is 2681347. The reversal of 2681333 is 3331862.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3331862 = 2 ⋅1665931.

It is a cyclic number.

It is not a de Polignac number, because 2681333 - 2¹⁶ = 2615797 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 (2681533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488 + ... + 2366.

It is an arithmetic number, because the mean of its divisors is an integer number (671160).

2^2681333 is an apocalyptic number.

It is an amenable number.

2681333 is a deficient number, since it is larger than the sum of its proper divisors (3307).

2681333 is a wasteful number, since it uses less digits than its factorization.

2681333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306.

The product of its digits is 2592, while the sum is 26.

The square root of 2681333 is about 1637.4776334350. The cubic root of 2681333 is about 138.9260169066.

The spelling of 2681333 in words is "two million, six hundred eighty-one thousand, three hundred thirty-three".