1068005321 has 2 divisors, whose sum is σ = 1068005322. Its totient is φ = 1068005320.

The previous prime is 1068005291. The next prime is 1068005327. The reversal of 1068005321 is 1235008601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1021697296 + 46308025 = 31964^2 + 6805^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068005321 - 2²² = 1063811017 is a prime.

It is a super-2 number, since 2×1068005321² = 2281270731368626082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1068005327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534002660 + 534002661.

It is an arithmetic number, because the mean of its divisors is an integer number (534002661).

Almost surely, 2^1068005321 is an apocalyptic number.

It is an amenable number.

1068005321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068005321 is an equidigital number, since it uses as much as digits as its factorization.

1068005321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1068005321 is about 32680.3506866129. The cubic root of 1068005321 is about 1022.1731576119.

The spelling of 1068005321 in words is "one billion, sixty-eight million, five thousand, three hundred twenty-one".