547242 has 16 divisors (see below), whose sum is σ = 1102080. Its totient is φ = 181152.

The previous prime is 547241. The next prime is 547249. The reversal of 547242 is 242745.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 547242.

It is not an unprimeable number, because it can be changed into a prime (547241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134 + ... + 1542.

It is an arithmetic number, because the mean of its divisors is an integer number (68880).

2⁵⁴⁷²⁴² is an apocalyptic number.

547242 is an abundant number, since it is smaller than the sum of its proper divisors (554838).

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

547242 is a wasteful number, since it uses less digits than its factorization.

547242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637.

The product of its digits is 2240, while the sum is 24.

The square root of 547242 is about 739.7580685603. The cubic root of 547242 is about 81.7949467131.

Adding to 547242 its reverse (242745), we get a palindrome (789987).

The spelling of 547242 in words is "five hundred forty-seven thousand, two hundred forty-two".