540915 has 8 divisors (see below), whose sum is σ = 865488. Its totient is φ = 288480.

The previous prime is 540907. The next prime is 540961. The reversal of 540915 is 519045.

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

It is not a de Polignac number, because 540915 - 2³ = 540907 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18016 + ... + 18045.

It is an arithmetic number, because the mean of its divisors is an integer number (108186).

2⁵⁴⁰⁹¹⁵ is an apocalyptic number.

540915 is a deficient number, since it is larger than the sum of its proper divisors (324573).

540915 is a wasteful number, since it uses less digits than its factorization.

540915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36069.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 540915 is about 735.4692379699. The cubic root of 540915 is about 81.4784968425.

The spelling of 540915 in words is "five hundred forty thousand, nine hundred fifteen".