68350259 has 4 divisors (see below), whose sum is σ = 68849304. Its totient is φ = 67851216.

The previous prime is 68350241. The next prime is 68350279. The reversal of 68350259 is 95205386.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68350259 - 2²⁴ = 51573043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68350229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249317 + ... + 249590.

It is an arithmetic number, because the mean of its divisors is an integer number (17212326).

Almost surely, 2^68350259 is an apocalyptic number.

68350259 is a deficient number, since it is larger than the sum of its proper divisors (499045).

68350259 is a wasteful number, since it uses less digits than its factorization.

68350259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499044.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 68350259 is about 8267.4215448349. The cubic root of 68350259 is about 408.8651125504.

The spelling of 68350259 in words is "sixty-eight million, three hundred fifty thousand, two hundred fifty-nine".