326042 has 4 divisors (see below), whose sum is σ = 489066. Its totient is φ = 163020.

The previous prime is 326023. The next prime is 326057. The reversal of 326042 is 240623.

It is a Cunningham number, because it is equal to 571²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 326041 + 1 = 571^2 + 1^2 .

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 326042.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 81509 + ... + 81512.

2³²⁶⁰⁴² is an apocalyptic number.

326042 is a deficient number, since it is larger than the sum of its proper divisors (163024).

326042 is a wasteful number, since it uses less digits than its factorization.

326042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163023.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 326042 is about 571.0008756561. Note that the first 3 decimals coincide. The cubic root of 326042 is about 68.8268430049.

Adding to 326042 its reverse (240623), we get a palindrome (566665).

The spelling of 326042 in words is "three hundred twenty-six thousand, forty-two".