543425009 has 16 divisors (see below), whose sum is σ = 595123200. Its totient is φ = 493985280.

The previous prime is 543424993. The next prime is 543425063. The reversal of 543425009 is 900524345.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 543425009 - 2⁴ = 543424993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543425089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517517 + ... + 518565.

It is an arithmetic number, because the mean of its divisors is an integer number (37195200).

Almost surely, 2^543425009 is an apocalyptic number.

It is an amenable number.

543425009 is a deficient number, since it is larger than the sum of its proper divisors (51698191).

543425009 is a wasteful number, since it uses less digits than its factorization.

543425009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 543425009 is about 23311.4780526675. The cubic root of 543425009 is about 816.0433068655.

The spelling of 543425009 in words is "five hundred forty-three million, four hundred twenty-five thousand, nine".