540603 has 12 divisors (see below), whose sum is σ = 892528. Its totient is φ = 308880.

The previous prime is 540599. The next prime is 540611. The reversal of 540603 is 306045.

It is a happy number.

It is not a de Polignac number, because 540603 - 2² = 540599 is a prime.

540603 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (540613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4228 + ... + 4353.

2⁵⁴⁰⁶⁰³ is an apocalyptic number.

540603 is a deficient number, since it is larger than the sum of its proper divisors (351925).

540603 is a wasteful number, since it uses less digits than its factorization.

540603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8594 (or 8591 counting only the distinct ones).

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

The square root of 540603 is about 735.2570978916. The cubic root of 540603 is about 81.4628282191.

Adding to 540603 its reverse (306045), we get a palindrome (846648).

The spelling of 540603 in words is "five hundred forty thousand, six hundred three".