330543013 has 4 divisors (see below), whose sum is σ = 330739948. Its totient is φ = 330346080.

The previous prime is 330542983. The next prime is 330543023. The reversal of 330543013 is 310345033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88491649 + 242051364 = 9407^2 + 15558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330543013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330543023) 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, 95928 + ... + 99313.

It is an arithmetic number, because the mean of its divisors is an integer number (82684987).

Almost surely, 2^330543013 is an apocalyptic number.

It is an amenable number.

330543013 is a deficient number, since it is larger than the sum of its proper divisors (196935).

330543013 is a wasteful number, since it uses less digits than its factorization.

330543013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196934.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 330543013 is about 18180.8419221993. The cubic root of 330543013 is about 691.4211506090.

Adding to 330543013 its reverse (310345033), we get a palindrome (640888046).

The spelling of 330543013 in words is "three hundred thirty million, five hundred forty-three thousand, thirteen".