2573543 has 4 divisors (see below), whose sum is σ = 2941200. Its totient is φ = 2205888.

The previous prime is 2573533. The next prime is 2573551. The reversal of 2573543 is 3453752.

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 2573543 - 2⁶ = 2573479 is a prime.

It is a d-powerful number, because it can be written as 2¹⁴ + 5⁸ + 7³ + 3¹¹ + 5⁸ + 4⁶ + 3¹³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573533) 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, 183818 + ... + 183831.

It is an arithmetic number, because the mean of its divisors is an integer number (735300).

2^2573543 is an apocalyptic number.

2573543 is a deficient number, since it is larger than the sum of its proper divisors (367657).

2573543 is an equidigital number, since it uses as much as digits as its factorization.

2573543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367656.

The product of its digits is 12600, while the sum is 29.

The square root of 2573543 is about 1604.2266049408. The cubic root of 2573543 is about 137.0388828842.

The spelling of 2573543 in words is "two million, five hundred seventy-three thousand, five hundred forty-three".