8543161 has 4 divisors (see below), whose sum is σ = 9319824. Its totient is φ = 7766500.

The previous prime is 8543153. The next prime is 8543167. The reversal of 8543161 is 1613458.

8543161 is digitally balanced in base 2, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8543161 - 2³ = 8543153 is a prime.

It is a Duffinian number.

8543161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8543167) 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, 388315 + ... + 388336.

It is an arithmetic number, because the mean of its divisors is an integer number (2329956).

Almost surely, 2^8543161 is an apocalyptic number.

It is an amenable number.

8543161 is a deficient number, since it is larger than the sum of its proper divisors (776663).

8543161 is a wasteful number, since it uses less digits than its factorization.

8543161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776662.

The product of its digits is 2880, while the sum is 28.

The square root of 8543161 is about 2922.8686251695. The cubic root of 8543161 is about 204.4276001425.

It can be divided in two parts, 8 and 543161, that added together give a square (543169 = 737²).

The spelling of 8543161 in words is "eight million, five hundred forty-three thousand, one hundred sixty-one".