542017 has 4 divisors (see below), whose sum is σ = 619456. Its totient is φ = 464580.

The previous prime is 541999. The next prime is 542021. The reversal of 542017 is 710245.

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, and also an emirpimes, since its reverse is a distinct semiprime: 710245 = 5 ⋅142049.

It is a cyclic number.

It is not a de Polignac number, because 542017 - 2⁷ = 541889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 541985 and 542003.

It is not an unprimeable number, because it can be changed into a prime (542027) 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, 38709 + ... + 38722.

It is an arithmetic number, because the mean of its divisors is an integer number (154864).

2⁵⁴²⁰¹⁷ is an apocalyptic number.

It is an amenable number.

542017 is a deficient number, since it is larger than the sum of its proper divisors (77439).

542017 is an equidigital number, since it uses as much as digits as its factorization.

542017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77438.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 542017 is about 736.2180383555. The cubic root of 542017 is about 81.5337910489.

The spelling of 542017 in words is "five hundred forty-two thousand, seventeen".