68548589 has 2 divisors, whose sum is σ = 68548590. Its totient is φ = 68548588.

The previous prime is 68548577. The next prime is 68548591. The reversal of 68548589 is 98584586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68194564 + 354025 = 8258^2 + 595^2 .

It is a cyclic number.

It is not a de Polignac number, because 68548589 - 2²⁴ = 51771373 is a prime.

Together with 68548591, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68548589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68548189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34274294 + 34274295.

It is an arithmetic number, because the mean of its divisors is an integer number (34274295).

Almost surely, 2^68548589 is an apocalyptic number.

It is an amenable number.

68548589 is a deficient number, since it is larger than the sum of its proper divisors (1).

68548589 is an equidigital number, since it uses as much as digits as its factorization.

68548589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2764800, while the sum is 53.

The square root of 68548589 is about 8279.4075271121. The cubic root of 68548589 is about 409.2601947479.

The spelling of 68548589 in words is "sixty-eight million, five hundred forty-eight thousand, five hundred eighty-nine".