542193 has 4 divisors (see below), whose sum is σ = 722928. Its totient is φ = 361460.

The previous prime is 542189. The next prime is 542197. The reversal of 542193 is 391245.

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 an interprime number because it is at equal distance from previous prime (542189) and next prime (542197).

It is a cyclic number.

It is not a de Polignac number, because 542193 - 2² = 542189 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (542197) 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, 90363 + ... + 90368.

It is an arithmetic number, because the mean of its divisors is an integer number (180732).

2⁵⁴²¹⁹³ is an apocalyptic number.

It is an amenable number.

542193 is a deficient number, since it is larger than the sum of its proper divisors (180735).

542193 is a wasteful number, since it uses less digits than its factorization.

542193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180734.

The product of its digits is 1080, while the sum is 24.

The square root of 542193 is about 736.3375584608. The cubic root of 542193 is about 81.5426151228.

The spelling of 542193 in words is "five hundred forty-two thousand, one hundred ninety-three".