8472543 has 4 divisors (see below), whose sum is σ = 11296728. Its totient is φ = 5648360.

The previous prime is 8472539. The next prime is 8472547. The reversal of 8472543 is 3452748.

8472543 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (8472539) and next prime (8472547).

It is a cyclic number.

It is not a de Polignac number, because 8472543 - 2² = 8472539 is a prime.

It is a d-powerful number, because it can be written as 8³ + 4⁴ + 7⁸ + 2²¹ + 5⁷ + 4⁴ + 3¹² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8472547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412088 + ... + 1412093.

It is an arithmetic number, because the mean of its divisors is an integer number (2824182).

Almost surely, 2^8472543 is an apocalyptic number.

8472543 is a deficient number, since it is larger than the sum of its proper divisors (2824185).

8472543 is a wasteful number, since it uses less digits than its factorization.

8472543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824184.

The product of its digits is 26880, while the sum is 33.

The square root of 8472543 is about 2910.7633019536. The cubic root of 8472543 is about 203.8627729547.

It can be divided in two parts, 84 and 72543, that added together give a palindrome (72627).

The spelling of 8472543 in words is "eight million, four hundred seventy-two thousand, five hundred forty-three".