1350221317 has 2 divisors, whose sum is σ = 1350221318. Its totient is φ = 1350221316.

The previous prime is 1350221267. The next prime is 1350221329. The reversal of 1350221317 is 7131220531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1289240836 + 60980481 = 35906^2 + 7809^2 .

It is a cyclic number.

It is not a de Polignac number, because 1350221317 - 2⁷ = 1350221189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1350221291 and 1350221300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1350221347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675110658 + 675110659.

It is an arithmetic number, because the mean of its divisors is an integer number (675110659).

Almost surely, 2^1350221317 is an apocalyptic number.

It is an amenable number.

1350221317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350221317 is an equidigital number, since it uses as much as digits as its factorization.

1350221317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 1350221317 is about 36745.3577612193. The cubic root of 1350221317 is about 1105.2698417586.

Adding to 1350221317 its reverse (7131220531), we get a palindrome (8481441848).

The spelling of 1350221317 in words is "one billion, three hundred fifty million, two hundred twenty-one thousand, three hundred seventeen".