542606 has 8 divisors (see below), whose sum is σ = 861840. Its totient is φ = 255328.

The previous prime is 542603. The next prime is 542683. The reversal of 542606 is 606245.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7946 + ... + 8013.

It is an arithmetic number, because the mean of its divisors is an integer number (107730).

2⁵⁴²⁶⁰⁶ is an apocalyptic number.

542606 is a deficient number, since it is larger than the sum of its proper divisors (319234).

542606 is a wasteful number, since it uses less digits than its factorization.

542606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15978.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 542606 is about 736.6179471069. The cubic root of 542606 is about 81.5633141192.

The spelling of 542606 in words is "five hundred forty-two thousand, six hundred six".