543404225 has 24 divisors (see below), whose sum is σ = 829321920. Its totient is φ = 343955520.

The previous prime is 543404179. The next prime is 543404227. The reversal of 543404225 is 522404345.

It is not a de Polignac number, because 543404225 - 2¹⁶ = 543338689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (543404227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117155 + ... + 121704.

It is an arithmetic number, because the mean of its divisors is an integer number (34555080).

Almost surely, 2^543404225 is an apocalyptic number.

It is an amenable number.

543404225 is a deficient number, since it is larger than the sum of its proper divisors (285917695).

543404225 is a wasteful number, since it uses less digits than its factorization.

543404225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238889 (or 238884 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 543404225 is about 23311.0322594260. The cubic root of 543404225 is about 816.0329031851.

The spelling of 543404225 in words is "five hundred forty-three million, four hundred four thousand, two hundred twenty-five".