2012543 has 8 divisors (see below), whose sum is σ = 2184000. Its totient is φ = 1843488.

The previous prime is 2012533. The next prime is 2012597. The reversal of 2012543 is 3452102.

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 2012543 - 2⁸ = 2012287 is a prime.

It is a super-3 number, since 3×2012543³ = 24454385803334001021, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418 + ... + 2456.

It is an arithmetic number, because the mean of its divisors is an integer number (273000).

2^2012543 is an apocalyptic number.

2012543 is a deficient number, since it is larger than the sum of its proper divisors (171457).

2012543 is a wasteful number, since it uses less digits than its factorization.

2012543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2012543 is about 1418.6412513388. The cubic root of 2012543 is about 126.2549427859.

Adding to 2012543 its reverse (3452102), we get a palindrome (5464645).

It can be divided in two parts, 201 and 2543, that added together give a cube (2744 = 14³).

The spelling of 2012543 in words is "two million, twelve thousand, five hundred forty-three".