540063 has 12 divisors (see below), whose sum is σ = 814320. Its totient is φ = 344256.

The previous prime is 540061. The next prime is 540079. The reversal of 540063 is 360045.

It is a happy number.

It is not a de Polignac number, because 540063 - 2¹ = 540061 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540061) 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, 1098 + ... + 1511.

It is an arithmetic number, because the mean of its divisors is an integer number (67860).

2⁵⁴⁰⁰⁶³ is an apocalyptic number.

540063 is a deficient number, since it is larger than the sum of its proper divisors (274257).

540063 is a wasteful number, since it uses less digits than its factorization.

540063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638 (or 2635 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 540063 is about 734.8897876553. The cubic root of 540063 is about 81.4356951953.

Subtracting from 540063 its sum of digits (18), we obtain a palindrome (540045).

The spelling of 540063 in words is "five hundred forty thousand, sixty-three".