542983 has 4 divisors (see below), whose sum is σ = 620560. Its totient is φ = 465408.

The previous prime is 542981. The next prime is 542987. The reversal of 542983 is 389245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389245 = 5 ⋅77849.

It is a cyclic number.

It is not a de Polignac number, because 542983 - 2¹ = 542981 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 5⁴ + 4 + 9⁴ + 2⁸ + 8⁴ + 3¹² .

It is a Duffinian number.

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 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, 38778 + ... + 38791.

It is an arithmetic number, because the mean of its divisors is an integer number (155140).

2⁵⁴²⁹⁸³ is an apocalyptic number.

542983 is a deficient number, since it is larger than the sum of its proper divisors (77577).

542983 is an equidigital number, since it uses as much as digits as its factorization.

542983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77576.

The product of its digits is 8640, while the sum is 31.

The square root of 542983 is about 736.8738019498. The cubic root of 542983 is about 81.5821996768.

The spelling of 542983 in words is "five hundred forty-two thousand, nine hundred eighty-three".