2663043 has 4 divisors (see below), whose sum is σ = 3550728. Its totient is φ = 1775360.

The previous prime is 2663039. The next prime is 2663051. The reversal of 2663043 is 3403662.

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

It is a cyclic number.

It is not a de Polignac number, because 2663043 - 2² = 2663039 is a prime.

It is a D-number.

2663043 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2664043) 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, 443838 + ... + 443843.

It is an arithmetic number, because the mean of its divisors is an integer number (887682).

2^2663043 is an apocalyptic number.

2663043 is a deficient number, since it is larger than the sum of its proper divisors (887685).

2663043 is an equidigital number, since it uses as much as digits as its factorization.

2663043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887684.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 2663043 is about 1631.8832678841. The cubic root of 2663043 is about 138.6094136436.

The spelling of 2663043 in words is "two million, six hundred sixty-three thousand, forty-three".