540893 has 4 divisors (see below), whose sum is σ = 545280. Its totient is φ = 536508.

The previous prime is 540877. The next prime is 540901. The reversal of 540893 is 398045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 398045 = 5 ⋅79609.

It is a cyclic number.

It is not a de Polignac number, because 540893 - 2⁴ = 540877 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 (540803) 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, 2003 + ... + 2256.

It is an arithmetic number, because the mean of its divisors is an integer number (136320).

2⁵⁴⁰⁸⁹³ is an apocalyptic number.

It is an amenable number.

540893 is a deficient number, since it is larger than the sum of its proper divisors (4387).

540893 is a wasteful number, since it uses less digits than its factorization.

540893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 540893 is about 735.4542813799. The cubic root of 540893 is about 81.4773922012.

The spelling of 540893 in words is "five hundred forty thousand, eight hundred ninety-three".