543487161 has 32 divisors (see below), whose sum is σ = 885627648. Its totient is φ = 289382400.

The previous prime is 543487123. The next prime is 543487163. The reversal of 543487161 is 161784345.

It is not a de Polignac number, because 543487161 - 2¹¹ = 543485113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (543487163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28521 + ... + 43593.

It is an arithmetic number, because the mean of its divisors is an integer number (27675864).

Almost surely, 2^543487161 is an apocalyptic number.

543487161 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

543487161 is a deficient number, since it is larger than the sum of its proper divisors (342140487).

543487161 is a wasteful number, since it uses less digits than its factorization.

543487161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15201.

The product of its digits is 80640, while the sum is 39.

The square root of 543487161 is about 23312.8110917581. The cubic root of 543487161 is about 816.0744162117.

The spelling of 543487161 in words is "five hundred forty-three million, four hundred eighty-seven thousand, one hundred sixty-one".