2504243 has 12 divisors (see below), whose sum is σ = 2941200. Its totient is φ = 2132088.

The previous prime is 2504213. The next prime is 2504251. The reversal of 2504243 is 3424052.

2504243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2504243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2504213) 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 11 ways as a sum of consecutive naturals, for example, 16733 + ... + 16881.

It is an arithmetic number, because the mean of its divisors is an integer number (245100).

2^2504243 is an apocalyptic number.

2504243 is a deficient number, since it is larger than the sum of its proper divisors (436957).

2504243 is an frugal number, since it uses more digits than its factorization.

2504243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2504243 is about 1582.4800156716. The cubic root of 2504243 is about 135.7976192589.

Adding to 2504243 its reverse (3424052), we get a palindrome (5928295).

The spelling of 2504243 in words is "two million, five hundred four thousand, two hundred forty-three".