333913 has 4 divisors (see below), whose sum is σ = 338688. Its totient is φ = 329140.

The previous prime is 333911. The next prime is 333923. The reversal of 333913 is 319333.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 333913 - 2¹ = 333911 is a prime.

It is a super-2 number, since 2×333913² = 222995783138, which contains 22 as substring.

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 Duffinian number.

333913 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (333911) 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, 2281 + ... + 2422.

It is an arithmetic number, because the mean of its divisors is an integer number (84672).

2³³³⁹¹³ is an apocalyptic number.

It is an amenable number.

333913 is a deficient number, since it is larger than the sum of its proper divisors (4775).

333913 is an equidigital number, since it uses as much as digits as its factorization.

333913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774.

The product of its digits is 729, while the sum is 22.

The square root of 333913 is about 577.8520571911. The cubic root of 333913 is about 69.3762960015.

The spelling of 333913 in words is "three hundred thirty-three thousand, nine hundred thirteen".