342526 has 4 divisors (see below), whose sum is σ = 513792. Its totient is φ = 171262.

The previous prime is 342521. The next prime is 342527. The reversal of 342526 is 625243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 625243 = 17 ⋅36779.

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 3⁷ + 4³ + 5⁷ + 2¹⁷ + 2¹⁷ + 6 .

It is a junction number, because it is equal to n+sod(n) for n = 342497 and 342506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342521) by changing a digit.

342526 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85630 + ... + 85633.

It is an arithmetic number, because the mean of its divisors is an integer number (128448).

2³⁴²⁵²⁶ is an apocalyptic number.

342526 is a deficient number, since it is larger than the sum of its proper divisors (171266).

342526 is a wasteful number, since it uses less digits than its factorization.

342526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171265.

The product of its digits is 1440, while the sum is 22.

The square root of 342526 is about 585.2572084135. The cubic root of 342526 is about 69.9677402373.

Adding to 342526 its reverse (625243), we get a palindrome (967769).

It can be divided in two parts, 342 and 526, that added together give a palindrome (868).

The spelling of 342526 in words is "three hundred forty-two thousand, five hundred twenty-six".