2355505 has 4 divisors (see below), whose sum is σ = 2826612. Its totient is φ = 1884400.

The previous prime is 2355481. The next prime is 2355517. The reversal of 2355505 is 5055532.

2355505 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 1418481 + 937024 = 1191^2 + 968^2 .

It is not a de Polignac number, because 2355505 - 2⁷ = 2355377 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2355505.

It is a congruent number.

It is an unprimeable number.

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, 235546 + ... + 235555.

It is an arithmetic number, because the mean of its divisors is an integer number (706653).

2^2355505 is an apocalyptic number.

It is an amenable number.

2355505 is a deficient number, since it is larger than the sum of its proper divisors (471107).

2355505 is an equidigital number, since it uses as much as digits as its factorization.

2355505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471106.

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 2355505 is about 1534.7654543936. The cubic root of 2355505 is about 133.0540229402.

The spelling of 2355505 in words is "two million, three hundred fifty-five thousand, five hundred five".