4543012 has 12 divisors (see below), whose sum is σ = 8418060. Its totient is φ = 2137856.

The previous prime is 4543003. The next prime is 4543013. The reversal of 4543012 is 2103454.

It can be written as a sum of positive squares in 2 ways, for example, as 1700416 + 2842596 = 1304^2 + 1686^2 .

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 (4543013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33337 + ... + 33472.

It is an arithmetic number, because the mean of its divisors is an integer number (701505).

Almost surely, 2^4543012 is an apocalyptic number.

It is an amenable number.

4543012 is a deficient number, since it is larger than the sum of its proper divisors (3875048).

4543012 is a wasteful number, since it uses less digits than its factorization.

4543012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66830 (or 66828 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4543012 is about 2131.4342588970. The cubic root of 4543012 is about 165.6207046234.

Adding to 4543012 its reverse (2103454), we get a palindrome (6646466).

The spelling of 4543012 in words is "four million, five hundred forty-three thousand, twelve".