68353 has 4 divisors (see below), whose sum is σ = 70740. Its totient is φ = 65968.

The previous prime is 68351. The next prime is 68371. The reversal of 68353 is 35386.

68353 is nontrivially palindromic in base 16.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23409 + 44944 = 153^2 + 212^2 .

It is a cyclic number.

It is not a de Polignac number, because 68353 - 2¹ = 68351 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1150 + ... + 1207.

It is an arithmetic number, because the mean of its divisors is an integer number (17685).

2⁶⁸³⁵³ is an apocalyptic number.

It is an amenable number.

68353 is a deficient number, since it is larger than the sum of its proper divisors (2387).

68353 is a wasteful number, since it uses less digits than its factorization.

68353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386.

The product of its digits is 2160, while the sum is 25.

The square root of 68353 is about 261.4440666758. Note that the first 3 decimals coincide. The cubic root of 68353 is about 40.8870577949.

The spelling of 68353 in words is "sixty-eight thousand, three hundred fifty-three".