542703 has 16 divisors (see below), whose sum is σ = 847616. Its totient is φ = 302400.

The previous prime is 542693. The next prime is 542713. The reversal of 542703 is 307245.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (542693) and next prime (542713).

It is not a de Polignac number, because 542703 - 2⁴ = 542687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

542703 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 542703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603 + ... + 1203.

It is an arithmetic number, because the mean of its divisors is an integer number (52976).

2⁵⁴²⁷⁰³ is an apocalyptic number.

542703 is a deficient number, since it is larger than the sum of its proper divisors (304913).

542703 is a wasteful number, since it uses less digits than its factorization.

542703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 542703 is about 736.6837856231. The cubic root of 542703 is about 81.5681741036.

Adding to 542703 its reverse (307245), we get a palindrome (849948).

The spelling of 542703 in words is "five hundred forty-two thousand, seven hundred three".