542003 has 8 divisors (see below), whose sum is σ = 675840. Its totient is φ = 422280.

The previous prime is 541999. The next prime is 542021. The reversal of 542003 is 300245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542003 - 2² = 541999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3443 + ... + 3596.

It is an arithmetic number, because the mean of its divisors is an integer number (84480).

2⁵⁴²⁰⁰³ is an apocalyptic number.

542003 is a deficient number, since it is larger than the sum of its proper divisors (133837).

542003 is a wasteful number, since it uses less digits than its factorization.

542003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7057.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 542003 is about 736.2085302413. The cubic root of 542003 is about 81.5330890519.

Adding to 542003 its reverse (300245), we get a palindrome (842248).

The spelling of 542003 in words is "five hundred forty-two thousand, three".