542603 has 2 divisors, whose sum is σ = 542604. Its totient is φ = 542602.

The previous prime is 542599. The next prime is 542683. The reversal of 542603 is 306245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542603 - 2² = 542599 is a prime.

It is not a weakly prime, because it can be changed into another prime (542683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271301 + 271302.

It is an arithmetic number, because the mean of its divisors is an integer number (271302).

2⁵⁴²⁶⁰³ is an apocalyptic number.

542603 is a deficient number, since it is larger than the sum of its proper divisors (1).

542603 is an equidigital number, since it uses as much as digits as its factorization.

542603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 542603 is about 736.6159107703. The cubic root of 542603 is about 81.5631638012.

Adding to 542603 its reverse (306245), we get a palindrome (848848).

The spelling of 542603 in words is "five hundred forty-two thousand, six hundred three".