542906 has 32 divisors (see below), whose sum is σ = 1061760. Its totient is φ = 202176.

The previous prime is 542891. The next prime is 542911. The reversal of 542906 is 609245.

542906 is nontrivially palindromic in base 12.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

542906 is a nontrivial repdigit in base 12.

It is a plaindrome in base 12.

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3380 + ... + 3536.

It is an arithmetic number, because the mean of its divisors is an integer number (33180).

2⁵⁴²⁹⁰⁶ is an apocalyptic number.

542906 is a deficient number, since it is larger than the sum of its proper divisors (518854).

542906 is a wasteful number, since it uses less digits than its factorization.

542906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 542906 is about 736.8215523449. The cubic root of 542906 is about 81.5783431249.

The spelling of 542906 in words is "five hundred forty-two thousand, nine hundred six".