542002 has 8 divisors (see below), whose sum is σ = 816156. Its totient is φ = 269952.

The previous prime is 541999. The next prime is 542021. The reversal of 542002 is 200245.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 505521 + 36481 = 711^2 + 191^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 618 + ... + 1210.

2⁵⁴²⁰⁰² is an apocalyptic number.

542002 is a deficient number, since it is larger than the sum of its proper divisors (274154).

542002 is a wasteful number, since it uses less digits than its factorization.

542002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052.

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 542002 is about 736.2078510855. The cubic root of 542002 is about 81.5330389088.

Adding to 542002 its reverse (200245), we get a palindrome (742247).

The spelling of 542002 in words is "five hundred forty-two thousand, two".