185113 has 4 divisors (see below), whose sum is σ = 196020. Its totient is φ = 174208.

The previous prime is 185099. The next prime is 185123. The reversal of 185113 is 311581.

185113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 64009 + 121104 = 253^2 + 348^2 .

It is a cyclic number.

It is not a de Polignac number, because 185113 - 2¹³ = 176921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (185123) 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, 5428 + ... + 5461.

It is an arithmetic number, because the mean of its divisors is an integer number (49005).

2¹⁸⁵¹¹³ is an apocalyptic number.

It is an amenable number.

185113 is a deficient number, since it is larger than the sum of its proper divisors (10907).

185113 is a wasteful number, since it uses less digits than its factorization.

185113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10906.

The product of its digits is 120, while the sum is 19.

The square root of 185113 is about 430.2476031310. The cubic root of 185113 is about 56.9917911642.

Adding to 185113 its reverse (311581), we get a palindrome (496694).

The spelling of 185113 in words is "one hundred eighty-five thousand, one hundred thirteen".