1068277361 has 2 divisors, whose sum is σ = 1068277362. Its totient is φ = 1068277360.

The previous prime is 1068277349. The next prime is 1068277363. The reversal of 1068277361 is 1637728601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1042062961 + 26214400 = 32281^2 + 5120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1068277361 is a prime.

It is a super-2 number, since 2×1068277361² = 2282433040050248642, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1068277363, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1068277363) 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, 534138680 + 534138681.

It is an arithmetic number, because the mean of its divisors is an integer number (534138681).

Almost surely, 2^1068277361 is an apocalyptic number.

It is an amenable number.

1068277361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068277361 is an equidigital number, since it uses as much as digits as its factorization.

1068277361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 1068277361 is about 32684.5125556432. The cubic root of 1068277361 is about 1022.2599388209.

The spelling of 1068277361 in words is "one billion, sixty-eight million, two hundred seventy-seven thousand, three hundred sixty-one".