1314568217 has 4 divisors (see below), whose sum is σ = 1314857316. Its totient is φ = 1314279120.

The previous prime is 1314568201. The next prime is 1314568223. The reversal of 1314568217 is 7128654131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7128654131 = 1427 ⋅4995553.

It can be written as a sum of positive squares in 2 ways, for example, as 440538121 + 874030096 = 20989^2 + 29564^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314568217 - 2⁴ = 1314568201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1314568247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137618 + ... + 146859.

It is an arithmetic number, because the mean of its divisors is an integer number (328714329).

Almost surely, 2^1314568217 is an apocalyptic number.

It is an amenable number.

1314568217 is a deficient number, since it is larger than the sum of its proper divisors (289099).

1314568217 is an equidigital number, since it uses as much as digits as its factorization.

1314568217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289098.

The product of its digits is 40320, while the sum is 38.

The square root of 1314568217 is about 36256.9747359043. The cubic root of 1314568217 is about 1095.4545813140.

The spelling of 1314568217 in words is "one billion, three hundred fourteen million, five hundred sixty-eight thousand, two hundred seventeen".