4987543 has 8 divisors (see below), whose sum is σ = 5530896. Its totient is φ = 4459200.

The previous prime is 4987531. The next prime is 4987561. The reversal of 4987543 is 3457894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4987543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4987496 and 4987505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4987523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3046 + ... + 4387.

It is an arithmetic number, because the mean of its divisors is an integer number (691362).

Almost surely, 2^4987543 is an apocalyptic number.

4987543 is a deficient number, since it is larger than the sum of its proper divisors (543353).

4987543 is a wasteful number, since it uses less digits than its factorization.

4987543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505.

The product of its digits is 120960, while the sum is 40.

The square root of 4987543 is about 2233.2807705257. The cubic root of 4987543 is about 170.8554687690.

The spelling of 4987543 in words is "four million, nine hundred eighty-seven thousand, five hundred forty-three".