180853 has 4 divisors (see below), whose sum is σ = 181888. Its totient is φ = 179820.

The previous prime is 180847. The next prime is 180871. The reversal of 180853 is 358081.

180853 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 358081 = 31 ⋅11551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-180853 is a prime.

It is an Ulam number.

It is a Duffinian number.

180853 is a lucky number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180883) 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, 183 + ... + 628.

It is an arithmetic number, because the mean of its divisors is an integer number (45472).

2¹⁸⁰⁸⁵³ is an apocalyptic number.

It is an amenable number.

180853 is a deficient number, since it is larger than the sum of its proper divisors (1035).

180853 is an equidigital number, since it uses as much as digits as its factorization.

180853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 180853 is about 425.2681507002. The cubic root of 180853 is about 56.5512105202.

The spelling of 180853 in words is "one hundred eighty thousand, eight hundred fifty-three".