542326 has 4 divisors (see below), whose sum is σ = 813492.
Its totient is φ = 271162.
The previous prime is 542323. The next prime is 542371. The reversal of 542326 is 623245.
It can be divided in two parts, 542 and 326, that added together give a palindrome (868).
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a d-powerful number, because it can be written as 5 + 45 + 312 + 25 + 211 + 65 .
It is a nialpdrome in base 15.
It is a junction number, because it is equal to n+sod(n) for n = 542297 and 542306.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542323) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135580 + ... + 135583.
It is an arithmetic number, because the mean of its divisors is an integer number (203373).
2542326 is an apocalyptic number.
542326 is a deficient number, since it is larger than the sum of its proper divisors (271166).
542326 is a wasteful number, since it uses less digits than its factorization.
542326 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 271165.
The product of its digits is 1440, while the sum is 22.
The square root of 542326 is about 736.4278647634.
The cubic root of 542326 is about 81.5492820484.
The spelling of 542326 in words is "five hundred forty-two thousand, three hundred twenty-six".