542885 has 8 divisors (see below), whose sum is σ = 744576. Its totient is φ = 372240.

The previous prime is 542873. The next prime is 542891. The reversal of 542885 is 588245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542885 - 2⁶ = 542821 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7721 + ... + 7790.

It is an arithmetic number, because the mean of its divisors is an integer number (93072).

2⁵⁴²⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

542885 is a deficient number, since it is larger than the sum of its proper divisors (201691).

542885 is a wasteful number, since it uses less digits than its factorization.

542885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15523.

The product of its digits is 12800, while the sum is 32.

The square root of 542885 is about 736.8073018096. The cubic root of 542885 is about 81.5772912748.

The spelling of 542885 in words is "five hundred forty-two thousand, eight hundred eighty-five".