2542243 has 8 divisors (see below), whose sum is σ = 2787840. Its totient is φ = 2299080.

The previous prime is 2542237. The next prime is 2542327. The reversal of 2542243 is 3422452.

2542243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2542243 - 2²¹ = 445091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2542223) 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 7 ways as a sum of consecutive naturals, for example, 2146 + ... + 3112.

It is an arithmetic number, because the mean of its divisors is an integer number (348480).

2^2542243 is an apocalyptic number.

2542243 is a deficient number, since it is larger than the sum of its proper divisors (245597).

2542243 is a wasteful number, since it uses less digits than its factorization.

2542243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217.

The product of its digits is 1920, while the sum is 22.

The square root of 2542243 is about 1594.4412814525. The cubic root of 2542243 is about 136.4810494876.

Adding to 2542243 its reverse (3422452), we get a palindrome (5964695).

It can be divided in two parts, 2 and 542243, that added together give a palindrome (542245).

The spelling of 2542243 in words is "two million, five hundred forty-two thousand, two hundred forty-three".