335309 has 4 divisors (see below), whose sum is σ = 361116. Its totient is φ = 309504.

The previous prime is 335299. The next prime is 335323. The reversal of 335309 is 903533.

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: 903533 = 17 ⋅53149.

It can be written as a sum of positive squares in 2 ways, for example, as 36100 + 299209 = 190^2 + 547^2 .

It is not a de Polignac number, because 335309 - 2¹² = 331213 is a prime.

It is a super-2 number, since 2×335309² = 224864250962, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (335009) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 12884 + ... + 12909.

It is an arithmetic number, because the mean of its divisors is an integer number (90279).

2³³⁵³⁰⁹ is an apocalyptic number.

It is an amenable number.

335309 is a deficient number, since it is larger than the sum of its proper divisors (25807).

335309 is a wasteful number, since it uses less digits than its factorization.

335309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25806.

The product of its (nonzero) digits is 1215, while the sum is 23.

The square root of 335309 is about 579.0587189569. The cubic root of 335309 is about 69.4728427616.

The spelling of 335309 in words is "three hundred thirty-five thousand, three hundred nine".