330223541 has 2 divisors, whose sum is σ = 330223542. Its totient is φ = 330223540.

The previous prime is 330223519. The next prime is 330223571. The reversal of 330223541 is 145322033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318765316 + 11458225 = 17854^2 + 3385^2 .

It is an emirp because it is prime and its reverse (145322033) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330223541 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330223571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165111770 + 165111771.

It is an arithmetic number, because the mean of its divisors is an integer number (165111771).

Almost surely, 2^330223541 is an apocalyptic number.

It is an amenable number.

330223541 is a deficient number, since it is larger than the sum of its proper divisors (1).

330223541 is an equidigital number, since it uses as much as digits as its factorization.

330223541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 330223541 is about 18172.0538464974. The cubic root of 330223541 is about 691.1983244400.

Adding to 330223541 its reverse (145322033), we get a palindrome (475545574).

It can be divided in two parts, 33022 and 3541, that added together give a palindrome (36563).

The spelling of 330223541 in words is "three hundred thirty million, two hundred twenty-three thousand, five hundred forty-one".