68561341 has 2 divisors, whose sum is σ = 68561342. Its totient is φ = 68561340.

The previous prime is 68561309. The next prime is 68561347. The reversal of 68561341 is 14316586.

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., 43099225 + 25462116 = 6565^2 + 5046^2 .

It is a cyclic number.

It is not a de Polignac number, because 68561341 - 2⁵ = 68561309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68561297 and 68561306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68561347) 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, 34280670 + 34280671.

It is an arithmetic number, because the mean of its divisors is an integer number (34280671).

Almost surely, 2^68561341 is an apocalyptic number.

It is an amenable number.

68561341 is a deficient number, since it is larger than the sum of its proper divisors (1).

68561341 is an equidigital number, since it uses as much as digits as its factorization.

68561341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 68561341 is about 8280.1775947138. The cubic root of 68561341 is about 409.2855712120.

It can be divided in two parts, 685 and 61341, that added together give a palindrome (62026).

The spelling of 68561341 in words is "sixty-eight million, five hundred sixty-one thousand, three hundred forty-one".