2543204 has 6 divisors (see below), whose sum is σ = 4450614. Its totient is φ = 1271600.

The previous prime is 2543201. The next prime is 2543221. The reversal of 2543204 is 4023452.

2543204 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1965604 + 577600 = 1402^2 + 760^2 .

It is a d-powerful number, because it can be written as 2³ + 5⁹ + 4 + 3⁵ + 2¹⁹ + 0 + 4⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543201) 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 as a sum of consecutive naturals, namely, 317897 + ... + 317904.

It is an arithmetic number, because the mean of its divisors is an integer number (741769).

2^2543204 is an apocalyptic number.

It is an amenable number.

2543204 is a deficient number, since it is larger than the sum of its proper divisors (1907410).

2543204 is a wasteful number, since it uses less digits than its factorization.

2543204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635805 (or 635803 counting only the distinct ones).

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

The square root of 2543204 is about 1594.7426124613. The cubic root of 2543204 is about 136.4982445086.

Adding to 2543204 its reverse (4023452), we get a palindrome (6566656).

The spelling of 2543204 in words is "two million, five hundred forty-three thousand, two hundred four".