540507745 has 4 divisors (see below), whose sum is σ = 648609300. Its totient is φ = 432406192.

The previous prime is 540507743. The next prime is 540507757. The reversal of 540507745 is 547705045.

540507745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547705045 = 5 ⋅109541009.

It can be written as a sum of positive squares in 2 ways, for example, as 222099409 + 318408336 = 14903^2 + 17844^2 .

It is a cyclic number.

It is not a de Polignac number, because 540507745 - 2¹ = 540507743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540507743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54050770 + ... + 54050779.

It is an arithmetic number, because the mean of its divisors is an integer number (162152325).

Almost surely, 2^540507745 is an apocalyptic number.

It is an amenable number.

540507745 is a deficient number, since it is larger than the sum of its proper divisors (108101555).

540507745 is a wasteful number, since it uses less digits than its factorization.

540507745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108101554.

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 540507745 is about 23248.8224432981. The cubic root of 540507745 is about 814.5804331690.

The spelling of 540507745 in words is "five hundred forty million, five hundred seven thousand, seven hundred forty-five".