68262289 has 2 divisors, whose sum is σ = 68262290. Its totient is φ = 68262288.

The previous prime is 68262287. The next prime is 68262319. The reversal of 68262289 is 98226286.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67568400 + 693889 = 8220^2 + 833^2 .

It is a cyclic number.

It is not a de Polignac number, because 68262289 - 2¹ = 68262287 is a prime.

Together with 68262287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (68262287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34131144 + 34131145.

It is an arithmetic number, because the mean of its divisors is an integer number (34131145).

Almost surely, 2^68262289 is an apocalyptic number.

It is an amenable number.

68262289 is a deficient number, since it is larger than the sum of its proper divisors (1).

68262289 is an equidigital number, since it uses as much as digits as its factorization.

68262289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 43.

The square root of 68262289 is about 8262.0995515668. The cubic root of 68262289 is about 408.6896276959.

The spelling of 68262289 in words is "sixty-eight million, two hundred sixty-two thousand, two hundred eighty-nine".