543425 has 6 divisors (see below), whose sum is σ = 673878. Its totient is φ = 434720.

The previous prime is 543407. The next prime is 543427. The reversal of 543425 is 524345.

It can be written as a sum of positive squares in 3 ways, for example, as 256 + 543169 = 16^2 + 737^2 .

It is not a de Polignac number, because 543425 - 2¹⁰ = 542401 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 543425.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 543425.

It is not an unprimeable number, because it can be changed into a prime (543427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10844 + ... + 10893.

It is an arithmetic number, because the mean of its divisors is an integer number (112313).

2⁵⁴³⁴²⁵ is an apocalyptic number.

It is an amenable number.

543425 is a deficient number, since it is larger than the sum of its proper divisors (130453).

543425 is a wasteful number, since it uses less digits than its factorization.

543425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21747 (or 21742 counting only the distinct ones).

The product of its digits is 2400, while the sum is 23.

The square root of 543425 is about 737.1736566102. The cubic root of 543425 is about 81.6043302361.

The spelling of 543425 in words is "five hundred forty-three thousand, four hundred twenty-five".