542658 has 16 divisors (see below), whose sum is σ = 1094400. Its totient is φ = 179376.

The previous prime is 542603. The next prime is 542683. The reversal of 542658 is 856245.

It is an Ulam number.

It is a d-powerful number, because it can be written as 5² + 4² + 6⁷ + 2¹⁸ + 5² + 8³ .

It is a Curzon number.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542658.

It is an unprimeable number.

542658 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591 + ... + 1197.

It is an arithmetic number, because the mean of its divisors is an integer number (68400).

2⁵⁴²⁶⁵⁸ is an apocalyptic number.

542658 is an abundant number, since it is smaller than the sum of its proper divisors (551742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542658 is a wasteful number, since it uses less digits than its factorization.

542658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761.

The product of its digits is 9600, while the sum is 30.

The square root of 542658 is about 736.6532427133. The cubic root of 542658 is about 81.5659195437.

The spelling of 542658 in words is "five hundred forty-two thousand, six hundred fifty-eight".