2543036 has 12 divisors (see below), whose sum is σ = 4684680. Its totient is φ = 1204560.

The previous prime is 2543033. The next prime is 2543059. The reversal of 2543036 is 6303452.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16655 + ... + 16806.

It is an arithmetic number, because the mean of its divisors is an integer number (390390).

2^2543036 is an apocalyptic number.

It is an amenable number.

2543036 is a deficient number, since it is larger than the sum of its proper divisors (2141644).

2543036 is a wasteful number, since it uses less digits than its factorization.

2543036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33484 (or 33482 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2543036 is about 1594.6899385147. The cubic root of 2543036 is about 136.4952388237.

Adding to 2543036 its reverse (6303452), we get a palindrome (8846488).

The spelling of 2543036 in words is "two million, five hundred forty-three thousand, thirty-six".