540887 has 4 divisors (see below), whose sum is σ = 549816. Its totient is φ = 531960.

The previous prime is 540877. The next prime is 540901. The reversal of 540887 is 788045.

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 540887 - 2⁴ = 540871 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540877) 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, 4373 + ... + 4494.

It is an arithmetic number, because the mean of its divisors is an integer number (137454).

2⁵⁴⁰⁸⁸⁷ is an apocalyptic number.

540887 is a deficient number, since it is larger than the sum of its proper divisors (8929).

540887 is an equidigital number, since it uses as much as digits as its factorization.

540887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8928.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 540887 is about 735.4502022571. The cubic root of 540887 is about 81.4770909301.

The spelling of 540887 in words is "five hundred forty thousand, eight hundred eighty-seven".