68283091 has 2 divisors, whose sum is σ = 68283092. Its totient is φ = 68283090.

The previous prime is 68283077. The next prime is 68283109. The reversal of 68283091 is 19038286.

Together with next prime (68283109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68283091 - 2⁹ = 68282579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68283091.

It is not a weakly prime, because it can be changed into another prime (68283031) 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, 34141545 + 34141546.

It is an arithmetic number, because the mean of its divisors is an integer number (34141546).

Almost surely, 2^68283091 is an apocalyptic number.

68283091 is a deficient number, since it is larger than the sum of its proper divisors (1).

68283091 is an equidigital number, since it uses as much as digits as its factorization.

68283091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 68283091 is about 8263.3583366571. The cubic root of 68283091 is about 408.7311376732.

The spelling of 68283091 in words is "sixty-eight million, two hundred eighty-three thousand, ninety-one".