98543 has 2 divisors, whose sum is σ = 98544. Its totient is φ = 98542.

The previous prime is 98533. The next prime is 98561. The reversal of 98543 is 34589.

It is a weak prime.

It is an emirp because it is prime and its reverse (34589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98543 - 2⁶ = 98479 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49271 + 49272.

It is an arithmetic number, because the mean of its divisors is an integer number (49272).

2⁹⁸⁵⁴³ is an apocalyptic number.

98543 is a deficient number, since it is larger than the sum of its proper divisors (1).

98543 is an equidigital number, since it uses as much as digits as its factorization.

98543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 98543 is about 313.9155937509. The cubic root of 98543 is about 46.1893580681.

The spelling of 98543 in words is "ninety-eight thousand, five hundred forty-three".