2045205 has 24 divisors (see below), whose sum is σ = 3624192. Its totient is φ = 1066464.

The previous prime is 2045191. The next prime is 2045213. The reversal of 2045205 is 5025402.

It is not a de Polignac number, because 2045205 - 2⁴ = 2045189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1632 + ... + 2598.

It is an arithmetic number, because the mean of its divisors is an integer number (151008).

2^2045205 is an apocalyptic number.

It is an amenable number.

2045205 is a deficient number, since it is larger than the sum of its proper divisors (1578987).

2045205 is a wasteful number, since it uses less digits than its factorization.

2045205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2045205 is about 1430.1066393804. The cubic root of 2045205 is about 126.9342872065.

The spelling of 2045205 in words is "two million, forty-five thousand, two hundred five".