2748233 has 4 divisors (see below), whose sum is σ = 2793348. Its totient is φ = 2703120.

The previous prime is 2748227. The next prime is 2748241. The reversal of 2748233 is 3328472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 824464 + 1923769 = 908^2 + 1387^2 .

It is a cyclic number.

It is not a de Polignac number, because 2748233 - 2⁸ = 2747977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2748196 and 2748205.

It is not an unprimeable number, because it can be changed into a prime (2748253) 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, 22466 + ... + 22587.

It is an arithmetic number, because the mean of its divisors is an integer number (698337).

2^2748233 is an apocalyptic number.

It is an amenable number.

2748233 is a deficient number, since it is larger than the sum of its proper divisors (45115).

2748233 is an equidigital number, since it uses as much as digits as its factorization.

2748233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45114.

The product of its digits is 8064, while the sum is 29.

The square root of 2748233 is about 1657.7795390220. The cubic root of 2748233 is about 140.0719528095.

The spelling of 2748233 in words is "two million, seven hundred forty-eight thousand, two hundred thirty-three".