330509045 has 4 divisors (see below), whose sum is σ = 396610860. Its totient is φ = 264407232.

The previous prime is 330508999. The next prime is 330509063. The reversal of 330509045 is 540905033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540905033 = 1613 ⋅335341.

It can be written as a sum of positive squares in 2 ways, for example, as 232776049 + 97732996 = 15257^2 + 9886^2 .

It is a cyclic number.

It is not a de Polignac number, because 330509045 - 2¹² = 330504949 is a prime.

It is a super-3 number, since 3×330509045³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 330508999 and 330509017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33050900 + ... + 33050909.

It is an arithmetic number, because the mean of its divisors is an integer number (99152715).

Almost surely, 2^330509045 is an apocalyptic number.

It is an amenable number.

330509045 is a deficient number, since it is larger than the sum of its proper divisors (66101815).

330509045 is an equidigital number, since it uses as much as digits as its factorization.

330509045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66101814.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 330509045 is about 18179.9077280387. The cubic root of 330509045 is about 691.3974653423.

The spelling of 330509045 in words is "three hundred thirty million, five hundred nine thousand, forty-five".