2055205 has 4 divisors (see below), whose sum is σ = 2466252. Its totient is φ = 1644160.

The previous prime is 2055203. The next prime is 2055217. The reversal of 2055205 is 5025502.

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 986049 + 1069156 = 993^2 + 1034^2 .

It is not a de Polignac number, because 2055205 - 2¹ = 2055203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055203) 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, 205516 + ... + 205525.

It is an arithmetic number, because the mean of its divisors is an integer number (616563).

2^2055205 is an apocalyptic number.

It is an amenable number.

2055205 is a deficient number, since it is larger than the sum of its proper divisors (411047).

2055205 is an equidigital number, since it uses as much as digits as its factorization.

2055205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411046.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 2055205 is about 1433.5986188609. The cubic root of 2055205 is about 127.1408320536.

It can be divided in two parts, 20 and 55205, that added together give a square (55225 = 235²).

The spelling of 2055205 in words is "two million, fifty-five thousand, two hundred five".