305235 has 64 divisors (see below), whose sum is σ = 691200. Its totient is φ = 124416.

The previous prime is 305231. The next prime is 305237. The reversal of 305235 is 532503.

It is not a de Polignac number, because 305235 - 2² = 305231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16056 + ... + 16074.

It is an arithmetic number, because the mean of its divisors is an integer number (10800).

2³⁰⁵²³⁵ is an apocalyptic number.

305235 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

305235 is an abundant number, since it is smaller than the sum of its proper divisors (385965).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305235 is a wasteful number, since it uses less digits than its factorization.

305235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 305235 is about 552.4807688961. The cubic root of 305235 is about 67.3304386125.

Adding to 305235 its reverse (532503), we get a palindrome (837738).

The spelling of 305235 in words is "three hundred five thousand, two hundred thirty-five".