5999543 has 12 divisors (see below), whose sum is σ = 6655320. Its totient is φ = 5404080.

The previous prime is 5999537. The next prime is 5999551. The reversal of 5999543 is 3459995.

It is not a de Polignac number, because 5999543 - 2⁶ = 5999479 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5999494 and 5999503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5999563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21521 + ... + 21797.

It is an arithmetic number, because the mean of its divisors is an integer number (554610).

Almost surely, 2^5999543 is an apocalyptic number.

5999543 is a deficient number, since it is larger than the sum of its proper divisors (655777).

5999543 is a wasteful number, since it uses less digits than its factorization.

5999543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 467 counting only the distinct ones).

The product of its digits is 218700, while the sum is 44.

The square root of 5999543 is about 2449.3964562724. The cubic root of 5999543 is about 181.7074456988.

The spelling of 5999543 in words is "five million, nine hundred ninety-nine thousand, five hundred forty-three".