2072543 has 16 divisors (see below), whose sum is σ = 2397600. Its totient is φ = 1774080.

The previous prime is 2072531. The next prime is 2072549. The reversal of 2072543 is 3452702.

It is not a de Polignac number, because 2072543 - 2⁴ = 2072527 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 0 + 7⁶ + 2⁹ + 5⁹ + 4² + 3⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23243 + ... + 23331.

It is an arithmetic number, because the mean of its divisors is an integer number (149850).

2^2072543 is an apocalyptic number.

2072543 is a deficient number, since it is larger than the sum of its proper divisors (325057).

2072543 is a wasteful number, since it uses less digits than its factorization.

2072543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2072543 is about 1439.6329393286. The cubic root of 2072543 is about 127.4973573719.

The spelling of 2072543 in words is "two million, seventy-two thousand, five hundred forty-three".