1304220017 has 2 divisors, whose sum is σ = 1304220018. Its totient is φ = 1304220016.

The previous prime is 1304220013. The next prime is 1304220053. The reversal of 1304220017 is 7100224031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 808890481 + 495329536 = 28441^2 + 22256^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304220017 - 2² = 1304220013 is a prime.

It is not a weakly prime, because it can be changed into another prime (1304220013) by changing a digit.

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 as a sum of consecutive naturals, namely, 652110008 + 652110009.

It is an arithmetic number, because the mean of its divisors is an integer number (652110009).

Almost surely, 2^1304220017 is an apocalyptic number.

It is an amenable number.

1304220017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304220017 is an equidigital number, since it uses as much as digits as its factorization.

1304220017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1304220017 is about 36113.9864456972. The cubic root of 1304220017 is about 1092.5725553351.

Adding to 1304220017 its reverse (7100224031), we get a palindrome (8404444048).

The spelling of 1304220017 in words is "one billion, three hundred four million, two hundred twenty thousand, seventeen".