542659 has 10 divisors (see below), whose sum is σ = 618820. Its totient is φ = 474552.

The previous prime is 542603. The next prime is 542683. The reversal of 542659 is 956245.

It is not a de Polignac number, because 542659 - 2¹¹ = 540611 is a prime.

It is a d-powerful number, because it can be written as 5³ + 4³ + 6⁵ + 2⁷ + 5⁵ + 9⁶ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542659.

It is not an unprimeable number, because it can be changed into a prime (543659) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 28552 + ... + 28570.

It is an arithmetic number, because the mean of its divisors is an integer number (61882).

2⁵⁴²⁶⁵⁹ is an apocalyptic number.

542659 is a deficient number, since it is larger than the sum of its proper divisors (76161).

542659 is an frugal number, since it uses more digits than its factorization.

542659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 32 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 542659 is about 736.6539214584. The cubic root of 542659 is about 81.5659696463.

The spelling of 542659 in words is "five hundred forty-two thousand, six hundred fifty-nine".