457543 has 4 divisors (see below), whose sum is σ = 464440. Its totient is φ = 450648.

The previous prime is 457517. The next prime is 457547. The reversal of 457543 is 345754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345754 = 2 ⋅172877.

It is a cyclic number.

It is not a de Polignac number, because 457543 - 2⁵ = 457511 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 (457547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3348 + ... + 3481.

It is an arithmetic number, because the mean of its divisors is an integer number (116110).

2⁴⁵⁷⁵⁴³ is an apocalyptic number.

457543 is a deficient number, since it is larger than the sum of its proper divisors (6897).

457543 is an equidigital number, since it uses as much as digits as its factorization.

457543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6896.

The product of its digits is 8400, while the sum is 28.

The square root of 457543 is about 676.4192486912. The cubic root of 457543 is about 77.0567412210.

It can be divided in two parts, 457 and 543, that added together give a cube (1000 = 10³).

The spelling of 457543 in words is "four hundred fifty-seven thousand, five hundred forty-three".