543925 has 6 divisors (see below), whose sum is σ = 674498. Its totient is φ = 435120.

The previous prime is 543911. The next prime is 543929. The reversal of 543925 is 529345.

543925 = 521² + 522².

It can be written as a sum of positive squares in 3 ways, for example, as 125316 + 418609 = 354^2 + 647^2 .

It is not a de Polignac number, because 543925 - 2⁷ = 543797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 543893 and 543902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10854 + ... + 10903.

2⁵⁴³⁹²⁵ is an apocalyptic number.

543925 is the 522-nd centered square number.

It is an amenable number.

543925 is a deficient number, since it is larger than the sum of its proper divisors (130573).

543925 is a wasteful number, since it uses less digits than its factorization.

543925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21767 (or 21762 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 543925 is about 737.5127117549. The cubic root of 543925 is about 81.6293503447.

The spelling of 543925 in words is "five hundred forty-three thousand, nine hundred twenty-five".