542405224 has 16 divisors (see below), whose sum is σ = 1019222820. Its totient is φ = 270612480.

The previous prime is 542405221. The next prime is 542405261. The reversal of 542405224 is 422504245.

It can be written as a sum of positive squares in 2 ways, for example, as 488852100 + 53553124 = 22110^2 + 7318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 542405192 and 542405201.

It is not an unprimeable number, because it can be changed into a prime (542405221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69849 + ... + 77224.

Almost surely, 2^542405224 is an apocalyptic number.

It is an amenable number.

542405224 is a deficient number, since it is larger than the sum of its proper divisors (476817596).

542405224 is a wasteful number, since it uses less digits than its factorization.

542405224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147540 (or 147536 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 542405224 is about 23289.5947581747. The cubic root of 542405224 is about 815.5325281246.

Adding to 542405224 its reverse (422504245), we get a palindrome (964909469).

The spelling of 542405224 in words is "five hundred forty-two million, four hundred five thousand, two hundred twenty-four".