542802 has 16 divisors (see below), whose sum is σ = 1169280. Its totient is φ = 166992.

The previous prime is 542797. The next prime is 542821. The reversal of 542802 is 208245.

It is a super-2 number, since 2×542802² = 589268022408, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3402 + ... + 3557.

It is an arithmetic number, because the mean of its divisors is an integer number (73080).

2⁵⁴²⁸⁰² is an apocalyptic number.

542802 is an abundant number, since it is smaller than the sum of its proper divisors (626478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542802 is a wasteful number, since it uses less digits than its factorization.

542802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6977.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 542802 is about 736.7509755677. The cubic root of 542802 is about 81.5731336967.

The spelling of 542802 in words is "five hundred forty-two thousand, eight hundred two".