540620545 has 8 divisors (see below), whose sum is σ = 648869760. Its totient is φ = 432413040.

The previous prime is 540620533. The next prime is 540620569. The reversal of 540620545 is 545026045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 540620545 - 2⁵ = 540620513 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 42810 + ... + 53980.

It is an arithmetic number, because the mean of its divisors is an integer number (81108720).

Almost surely, 2^540620545 is an apocalyptic number.

It is an amenable number.

540620545 is a deficient number, since it is larger than the sum of its proper divisors (108249215).

540620545 is a wasteful number, since it uses less digits than its factorization.

540620545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20855.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 540620545 is about 23251.2482460620. The cubic root of 540620545 is about 814.6370948805.

The spelling of 540620545 in words is "five hundred forty million, six hundred twenty thousand, five hundred forty-five".