2748553 has 4 divisors (see below), whose sum is σ = 2837248. Its totient is φ = 2659860.

The previous prime is 2748547. The next prime is 2748563. The reversal of 2748553 is 3558472.

It is a happy number.

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 2748553 - 2⁹ = 2748041 is a prime.

It is a Duffinian number.

2748553 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2748503) 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, 44301 + ... + 44362.

It is an arithmetic number, because the mean of its divisors is an integer number (709312).

2^2748553 is an apocalyptic number.

It is an amenable number.

2748553 is a deficient number, since it is larger than the sum of its proper divisors (88695).

2748553 is an equidigital number, since it uses as much as digits as its factorization.

2748553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88694.

The product of its digits is 33600, while the sum is 34.

The square root of 2748553 is about 1657.8760508554. The cubic root of 2748553 is about 140.0773891857.

The spelling of 2748553 in words is "two million, seven hundred forty-eight thousand, five hundred fifty-three".