35543 has 2 divisors, whose sum is σ = 35544. Its totient is φ = 35542.

The previous prime is 35537. The next prime is 35569. The reversal of 35543 is 34553.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 35543 - 2⁴ = 35527 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17771 + 17772.

It is an arithmetic number, because the mean of its divisors is an integer number (17772).

2³⁵⁵⁴³ is an apocalyptic number.

35543 is a deficient number, since it is larger than the sum of its proper divisors (1).

35543 is an equidigital number, since it uses as much as digits as its factorization.

35543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 20.

The square root of 35543 is about 188.5285124325. The cubic root of 35543 is about 32.8789566192.

Subtracting from 35543 its product of digits (900), we obtain a palindrome (34643).

Subtracting from 35543 its reverse (34553), we obtain a triangular number (990 = T₄₄).

The spelling of 35543 in words is "thirty-five thousand, five hundred forty-three".