2355305 has 4 divisors (see below), whose sum is σ = 2826372. Its totient is φ = 1884240.

The previous prime is 2355289. The next prime is 2355307. The reversal of 2355305 is 5035532.

It is a happy number.

2355305 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 984064 + 1371241 = 992^2 + 1171^2 .

It is not a de Polignac number, because 2355305 - 2⁴ = 2355289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2355307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235526 + ... + 235535.

It is an arithmetic number, because the mean of its divisors is an integer number (706593).

2^2355305 is an apocalyptic number.

It is an amenable number.

2355305 is a deficient number, since it is larger than the sum of its proper divisors (471067).

2355305 is an equidigital number, since it uses as much as digits as its factorization.

2355305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471066.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 2355305 is about 1534.7002964749. The cubic root of 2355305 is about 133.0502570729.

The spelling of 2355305 in words is "two million, three hundred fifty-five thousand, three hundred five".