353543 has 4 divisors (see below), whose sum is σ = 362208. Its totient is φ = 344880.

The previous prime is 353531. The next prime is 353557. The reversal of 353543 is 345353.

Added to its reverse (345353) it gives a square (698896 = 836²).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345353 = 241 ⋅1433.

It is a cyclic number.

It is not a de Polignac number, because 353543 - 2⁴ = 353527 is a prime.

It is a d-powerful number, because it can be written as 3³ + 5³ + 5⁷ + 3⁸ + 4⁹ + 3⁸ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353443) 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, 4271 + ... + 4352.

It is an arithmetic number, because the mean of its divisors is an integer number (90552).

2³⁵³⁵⁴³ is an apocalyptic number.

353543 is a deficient number, since it is larger than the sum of its proper divisors (8665).

353543 is an equidigital number, since it uses as much as digits as its factorization.

353543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8664.

The product of its digits is 2700, while the sum is 23.

The square root of 353543 is about 594.5948200245. The cubic root of 353543 is about 70.7099854057.

Adding to 353543 its reverse (345353), we get a palindrome (698896).

The spelling of 353543 in words is "three hundred fifty-three thousand, five hundred forty-three".