2053543 has 4 divisors (see below), whose sum is σ = 2057680. Its totient is φ = 2049408.

The previous prime is 2053529. The next prime is 2053553. The reversal of 2053543 is 3453502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2053543 - 2⁹ = 2053031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053553) 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, 1203 + ... + 2356.

It is an arithmetic number, because the mean of its divisors is an integer number (514420).

2^2053543 is an apocalyptic number.

2053543 is a deficient number, since it is larger than the sum of its proper divisors (4137).

2053543 is an equidigital number, since it uses as much as digits as its factorization.

2053543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 2053543 is about 1433.0188414672. The cubic root of 2053543 is about 127.1065507940.

The spelling of 2053543 in words is "two million, fifty-three thousand, five hundred forty-three".