68510417 has 2 divisors, whose sum is σ = 68510418. Its totient is φ = 68510416.

The previous prime is 68510389. The next prime is 68510419. The reversal of 68510417 is 71401586.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57214096 + 11296321 = 7564^2 + 3361^2 .

It is a cyclic number.

It is not a de Polignac number, because 68510417 - 2¹⁰ = 68509393 is a prime.

Together with 68510419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68510419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34255208 + 34255209.

It is an arithmetic number, because the mean of its divisors is an integer number (34255209).

Almost surely, 2^68510417 is an apocalyptic number.

It is an amenable number.

68510417 is a deficient number, since it is larger than the sum of its proper divisors (1).

68510417 is an equidigital number, since it uses as much as digits as its factorization.

68510417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 68510417 is about 8277.1019686845. The cubic root of 68510417 is about 409.1842137001.

The spelling of 68510417 in words is "sixty-eight million, five hundred ten thousand, four hundred seventeen".