113285 has 8 divisors (see below), whose sum is σ = 137760. Its totient is φ = 89424.

The previous prime is 113279. The next prime is 113287. The reversal of 113285 is 582311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113285 - 2¹⁰ = 112261 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614 + ... + 776.

It is an arithmetic number, because the mean of its divisors is an integer number (17220).

2¹¹³²⁸⁵ is an apocalyptic number.

It is an amenable number.

113285 is a deficient number, since it is larger than the sum of its proper divisors (24475).

113285 is a wasteful number, since it uses less digits than its factorization.

113285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307.

The product of its digits is 240, while the sum is 20.

The square root of 113285 is about 336.5783712599. The cubic root of 113285 is about 48.3864919160.

Adding to 113285 its reverse (582311), we get a palindrome (695596).

The spelling of 113285 in words is "one hundred thirteen thousand, two hundred eighty-five".