540607547 has 4 divisors (see below), whose sum is σ = 540699120. Its totient is φ = 540515976.

The previous prime is 540607517. The next prime is 540607553. The reversal of 540607547 is 745706045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 540607547 - 2²⁴ = 523830331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540607547.

It is not an unprimeable number, because it can be changed into a prime (540607517) 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 3 ways as a sum of consecutive naturals, for example, 36272 + ... + 48957.

It is an arithmetic number, because the mean of its divisors is an integer number (135174780).

Almost surely, 2^540607547 is an apocalyptic number.

540607547 is a deficient number, since it is larger than the sum of its proper divisors (91573).

540607547 is an equidigital number, since it uses as much as digits as its factorization.

540607547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91572.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 540607547 is about 23250.9687325066. The cubic root of 540607547 is about 814.6305661251.

The spelling of 540607547 in words is "five hundred forty million, six hundred seven thousand, five hundred forty-seven".