540021063 has 8 divisors (see below), whose sum is σ = 720201328. Its totient is φ = 359927424.

The previous prime is 540021061. The next prime is 540021113. The reversal of 540021063 is 360120045.

It is a happy number.

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

It is not a de Polignac number, because 540021063 - 2¹ = 540021061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540021061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5356 + ... + 33297.

It is an arithmetic number, because the mean of its divisors is an integer number (90025166).

Almost surely, 2^540021063 is an apocalyptic number.

540021063 is a deficient number, since it is larger than the sum of its proper divisors (180180265).

540021063 is a wasteful number, since it uses less digits than its factorization.

540021063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43313.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 540021063 is about 23238.3532764265. The cubic root of 540021063 is about 814.3358725775.

The spelling of 540021063 in words is "five hundred forty million, twenty-one thousand, sixty-three".