68541859 has 2 divisors, whose sum is σ = 68541860. Its totient is φ = 68541858.

The previous prime is 68541779. The next prime is 68541881. The reversal of 68541859 is 95814586.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68541859 - 2¹³ = 68533667 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68541259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34270929 + 34270930.

It is an arithmetic number, because the mean of its divisors is an integer number (34270930).

Almost surely, 2^68541859 is an apocalyptic number.

68541859 is a deficient number, since it is larger than the sum of its proper divisors (1).

68541859 is an equidigital number, since it uses as much as digits as its factorization.

68541859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 46.

The square root of 68541859 is about 8279.0010870877. The cubic root of 68541859 is about 409.2468007875.

The spelling of 68541859 in words is "sixty-eight million, five hundred forty-one thousand, eight hundred fifty-nine".