342533 has 4 divisors (see below), whose sum is σ = 362700. Its totient is φ = 322368.

The previous prime is 342527. The next prime is 342547. The reversal of 342533 is 335243.

342533 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 335243 = 523 ⋅641.

It can be written as a sum of positive squares in 2 ways, for example, as 214369 + 128164 = 463^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 342533 - 2⁶ = 342469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342533.

It is not an unprimeable number, because it can be changed into a prime (342553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10058 + ... + 10091.

It is an arithmetic number, because the mean of its divisors is an integer number (90675).

2³⁴²⁵³³ is an apocalyptic number.

It is an amenable number.

342533 is a deficient number, since it is larger than the sum of its proper divisors (20167).

342533 is a wasteful number, since it uses less digits than its factorization.

342533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20166.

The product of its digits is 1080, while the sum is 20.

The square root of 342533 is about 585.2631886596. The cubic root of 342533 is about 69.9682168637.

Adding to 342533 its reverse (335243), we get a palindrome (677776).

The spelling of 342533 in words is "three hundred forty-two thousand, five hundred thirty-three".