542982 has 32 divisors (see below), whose sum is σ = 1249920. Its totient is φ = 155520.

The previous prime is 542981. The next prime is 542987. The reversal of 542982 is 289245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1038 + ... + 1470.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2⁵⁴²⁹⁸² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624960).

542982 is an abundant number, since it is smaller than the sum of its proper divisors (706938).

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

542982 is a wasteful number, since it uses less digits than its factorization.

542982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468.

The product of its digits is 5760, while the sum is 30.

The square root of 542982 is about 736.8731234073. The cubic root of 542982 is about 81.5821495941.

It can be divided in two parts, 54 and 2982, that multiplied together give a triangular number (161028 = T₅₆₇).

The spelling of 542982 in words is "five hundred forty-two thousand, nine hundred eighty-two".