1346753321 has 2 divisors, whose sum is σ = 1346753322. Its totient is φ = 1346753320.

The previous prime is 1346753203. The next prime is 1346753327. The reversal of 1346753321 is 1233576431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 673921600 + 672831721 = 25960^2 + 25939^2 .

It is a cyclic number.

It is not a de Polignac number, because 1346753321 - 2²² = 1342559017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1346753327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673376660 + 673376661.

It is an arithmetic number, because the mean of its divisors is an integer number (673376661).

Almost surely, 2^1346753321 is an apocalyptic number.

It is an amenable number.

1346753321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346753321 is an equidigital number, since it uses as much as digits as its factorization.

1346753321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 35.

The square root of 1346753321 is about 36698.1378410404. The cubic root of 1346753321 is about 1104.3227481882.

The spelling of 1346753321 in words is "one billion, three hundred forty-six million, seven hundred fifty-three thousand, three hundred twenty-one".