2540303 has 4 divisors (see below), whose sum is σ = 2594400. Its totient is φ = 2486208.

The previous prime is 2540269. The next prime is 2540323. The reversal of 2540303 is 3030452.

2540303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2540303 - 2²⁰ = 1491727 is a prime.

2540303 is a modest number, since divided by 303 gives 254 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26978 + ... + 27071.

It is an arithmetic number, because the mean of its divisors is an integer number (648600).

2^2540303 is an apocalyptic number.

2540303 is a deficient number, since it is larger than the sum of its proper divisors (54097).

2540303 is an equidigital number, since it uses as much as digits as its factorization.

2540303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54096.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 2540303 is about 1593.8328017706. The cubic root of 2540303 is about 136.4463241664.

Adding to 2540303 its reverse (3030452), we get a palindrome (5570755).

The spelling of 2540303 in words is "two million, five hundred forty thousand, three hundred three".