330409249 has 2 divisors, whose sum is σ = 330409250. Its totient is φ = 330409248.

The previous prime is 330409243. The next prime is 330409319. The reversal of 330409249 is 942904033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295599249 + 34810000 = 17193^2 + 5900^2 .

It is an emirp because it is prime and its reverse (942904033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330409249 - 2⁵ = 330409217 is a prime.

It is equal to p_17806165 and since 330409249 and 17806165 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (330409243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165204624 + 165204625.

It is an arithmetic number, because the mean of its divisors is an integer number (165204625).

Almost surely, 2^330409249 is an apocalyptic number.

It is an amenable number.

330409249 is a deficient number, since it is larger than the sum of its proper divisors (1).

330409249 is an equidigital number, since it uses as much as digits as its factorization.

330409249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 330409249 is about 18177.1628424240. The cubic root of 330409249 is about 691.3278700233.

The spelling of 330409249 in words is "three hundred thirty million, four hundred nine thousand, two hundred forty-nine".