108257 has 4 divisors (see below), whose sum is σ = 112020. Its totient is φ = 104496.

The previous prime is 108247. The next prime is 108263. The reversal of 108257 is 752801.

108257 is nontrivially palindromic in base 15.

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 58081 + 50176 = 241^2 + 224^2 .

It is a cyclic number.

It is not a de Polignac number, because 108257 - 2⁶ = 108193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108217) 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, 1838 + ... + 1895.

It is an arithmetic number, because the mean of its divisors is an integer number (28005).

2¹⁰⁸²⁵⁷ is an apocalyptic number.

It is an amenable number.

108257 is a deficient number, since it is larger than the sum of its proper divisors (3763).

108257 is an equidigital number, since it uses as much as digits as its factorization.

108257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 108257 is about 329.0243152109. The cubic root of 108257 is about 47.6597759014.

The spelling of 108257 in words is "one hundred eight thousand, two hundred fifty-seven".