542036 has 24 divisors (see below), whose sum is σ = 1053696. Its totient is φ = 241920.

The previous prime is 542027. The next prime is 542053. The reversal of 542036 is 630245.

It is a junction number, because it is equal to n+sod(n) for n = 541999 and 542017.

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, 4205 + ... + 4331.

It is an arithmetic number, because the mean of its divisors is an integer number (43904).

2⁵⁴²⁰³⁶ is an apocalyptic number.

It is an amenable number.

542036 is a deficient number, since it is larger than the sum of its proper divisors (511660).

542036 is a wasteful number, since it uses less digits than its factorization.

542036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 542036 is about 736.2309420284. The cubic root of 542036 is about 81.5347437397.

Subtracting 542036 from its reverse (630245), we obtain a square (88209 = 297²).

The spelling of 542036 in words is "five hundred forty-two thousand, thirty-six".