1304532217 has 2 divisors, whose sum is σ = 1304532218. Its totient is φ = 1304532216.

The previous prime is 1304532211. The next prime is 1304532223. The reversal of 1304532217 is 7122354031.

It is a balanced prime because it is at equal distance from previous prime (1304532211) and next prime (1304532223).

It can be written as a sum of positive squares in only one way, i.e., 1299674601 + 4857616 = 36051^2 + 2204^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304532217 - 2³ = 1304532209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1304532211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652266108 + 652266109.

It is an arithmetic number, because the mean of its divisors is an integer number (652266109).

Almost surely, 2^1304532217 is an apocalyptic number.

It is an amenable number.

1304532217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304532217 is an equidigital number, since it uses as much as digits as its factorization.

1304532217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1304532217 is about 36118.3086121153. The cubic root of 1304532217 is about 1092.6597272165.

Adding to 1304532217 its reverse (7122354031), we get a palindrome (8426886248).

The spelling of 1304532217 in words is "one billion, three hundred four million, five hundred thirty-two thousand, two hundred seventeen".