542173 has 4 divisors (see below), whose sum is σ = 543808. Its totient is φ = 540540.

The previous prime is 542167. The next prime is 542183. The reversal of 542173 is 371245.

542173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 542173 - 2⁵ = 542141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542123) 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, 123 + ... + 1048.

It is an arithmetic number, because the mean of its divisors is an integer number (135952).

2⁵⁴²¹⁷³ is an apocalyptic number.

It is an amenable number.

542173 is a deficient number, since it is larger than the sum of its proper divisors (1635).

542173 is a wasteful number, since it uses less digits than its factorization.

542173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634.

The product of its digits is 840, while the sum is 22.

The square root of 542173 is about 736.3239776077. The cubic root of 542173 is about 81.5416124833.

The spelling of 542173 in words is "five hundred forty-two thousand, one hundred seventy-three".