106543 has 2 divisors, whose sum is σ = 106544. Its totient is φ = 106542.

The previous prime is 106541. The next prime is 106591. The reversal of 106543 is 345601.

It is a weak prime.

It is an emirp because it is prime and its reverse (345601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106543 - 2¹ = 106541 is a prime.

It is a super-2 number, since 2×106543² = 22702821698, which contains 22 as substring.

Together with 106541, it forms a pair of twin primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 106543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53271 + 53272.

It is an arithmetic number, because the mean of its divisors is an integer number (53272).

2¹⁰⁶⁵⁴³ is an apocalyptic number.

106543 is a deficient number, since it is larger than the sum of its proper divisors (1).

106543 is an equidigital number, since it uses as much as digits as its factorization.

106543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 106543 is about 326.4092523198. The cubic root of 106543 is about 47.4069090916.

The spelling of 106543 in words is "one hundred six thousand, five hundred forty-three".