340533 has 12 divisors (see below), whose sum is σ = 497068. Its totient is φ = 224640.

The previous prime is 340519. The next prime is 340541. The reversal of 340533 is 335043.

It is a happy number.

340533 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 2 ways, for example, as 178929 + 161604 = 423^2 + 402^2 .

It is not a de Polignac number, because 340533 - 2¹² = 336437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1293 + ... + 1533.

2³⁴⁰⁵³³ is an apocalyptic number.

It is an amenable number.

340533 is a deficient number, since it is larger than the sum of its proper divisors (156535).

340533 is a wasteful number, since it uses less digits than its factorization.

340533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 340533 is about 583.5520542334. The cubic root of 340533 is about 69.8317729038.

Adding to 340533 its reverse (335043), we get a palindrome (675576).

The spelling of 340533 in words is "three hundred forty thousand, five hundred thirty-three".