542117 has 2 divisors, whose sum is σ = 542118. Its totient is φ = 542116.

The previous prime is 542111. The next prime is 542119. The reversal of 542117 is 711245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 498436 + 43681 = 706^2 + 209^2 .

It is a cyclic number.

It is not a de Polignac number, because 542117 - 2⁶ = 542053 is a prime.

Together with 542119, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542117.

It is not a weakly prime, because it can be changed into another prime (542111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271058 + 271059.

It is an arithmetic number, because the mean of its divisors is an integer number (271059).

2⁵⁴²¹¹⁷ is an apocalyptic number.

It is an amenable number.

542117 is a deficient number, since it is larger than the sum of its proper divisors (1).

542117 is an equidigital number, since it uses as much as digits as its factorization.

542117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 280, while the sum is 20.

The square root of 542117 is about 736.2859498863. The cubic root of 542117 is about 81.5388049615.

The spelling of 542117 in words is "five hundred forty-two thousand, one hundred seventeen".