330530 has 8 divisors (see below), whose sum is σ = 594972. Its totient is φ = 132208.

The previous prime is 330509. The next prime is 330557. The reversal of 330530 is 35033.

330530 is nontrivially palindromic in base 9.

330530 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 326041 + 4489 = 571^2 + 67^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a zygodrome in base 9.

It is an unprimeable number.

330530 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16517 + ... + 16536.

2³³⁰⁵³⁰ is an apocalyptic number.

330530 is a deficient number, since it is larger than the sum of its proper divisors (264442).

330530 is a wasteful number, since it uses less digits than its factorization.

330530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33060.

The product of its (nonzero) digits is 135, while the sum is 14.

The square root of 330530 is about 574.9173853694. The cubic root of 330530 is about 69.1412077073.

Adding to 330530 its reverse (35033), we get a palindrome (365563).

The spelling of 330530 in words is "three hundred thirty thousand, five hundred thirty".