2544243 has 16 divisors (see below), whose sum is σ = 3699360. Its totient is φ = 1545984.

The previous prime is 2544239. The next prime is 2544247. The reversal of 2544243 is 3424452.

It is an interprime number because it is at equal distance from previous prime (2544239) and next prime (2544247).

It is not a de Polignac number, because 2544243 - 2² = 2544239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2544247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3105 + ... + 3837.

It is an arithmetic number, because the mean of its divisors is an integer number (231210).

2^2544243 is an apocalyptic number.

2544243 is a deficient number, since it is larger than the sum of its proper divisors (1155117).

2544243 is a wasteful number, since it uses less digits than its factorization.

2544243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838.

The product of its digits is 3840, while the sum is 24.

The square root of 2544243 is about 1595.0683370941. The cubic root of 2544243 is about 136.5168302987.

Adding to 2544243 its reverse (3424452), we get a palindrome (5968695).

The spelling of 2544243 in words is "two million, five hundred forty-four thousand, two hundred forty-three".