540293 has 12 divisors (see below), whose sum is σ = 614880. Its totient is φ = 473616.

The previous prime is 540283. The next prime is 540301. The reversal of 540293 is 392045.

It is not a de Polignac number, because 540293 - 2¹⁰ = 539269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3818 + ... + 3956.

It is an arithmetic number, because the mean of its divisors is an integer number (51240).

2⁵⁴⁰²⁹³ is an apocalyptic number.

It is an amenable number.

540293 is a deficient number, since it is larger than the sum of its proper divisors (74587).

540293 is a wasteful number, since it uses less digits than its factorization.

540293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 540293 is about 735.0462570478. The cubic root of 540293 is about 81.4472540638.

The spelling of 540293 in words is "five hundred forty thousand, two hundred ninety-three".