540600549 has 4 divisors (see below), whose sum is σ = 720800736. Its totient is φ = 360400364.

The previous prime is 540600523. The next prime is 540600563. The reversal of 540600549 is 945006045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 540600549 - 2⁵ = 540600517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540600569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90100089 + ... + 90100094.

It is an arithmetic number, because the mean of its divisors is an integer number (180200184).

Almost surely, 2^540600549 is an apocalyptic number.

It is an amenable number.

540600549 is a deficient number, since it is larger than the sum of its proper divisors (180200187).

540600549 is a wasteful number, since it uses less digits than its factorization.

540600549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180200186.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 540600549 is about 23250.8182436662. The cubic root of 540600549 is about 814.6270510618.

The spelling of 540600549 in words is "five hundred forty million, six hundred thousand, five hundred forty-nine".