980543 has 4 divisors (see below), whose sum is σ = 1038240. Its totient is φ = 922848.

The previous prime is 980503. The next prime is 980549. The reversal of 980543 is 345089.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 980543 - 2¹⁰ = 979519 is a prime.

It is a super-2 number, since 2×980543² = 1922929149698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 980543.

It is not an unprimeable number, because it can be changed into a prime (980549) 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, 28823 + ... + 28856.

It is an arithmetic number, because the mean of its divisors is an integer number (259560).

2⁹⁸⁰⁵⁴³ is an apocalyptic number.

980543 is a deficient number, since it is larger than the sum of its proper divisors (57697).

980543 is a wasteful number, since it uses less digits than its factorization.

980543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57696.

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

The square root of 980543 is about 990.2237120974. The cubic root of 980543 is about 99.3471808791.

The spelling of 980543 in words is "nine hundred eighty thousand, five hundred forty-three".