2045273 has 4 divisors (see below), whose sum is σ = 2060340. Its totient is φ = 2030208.

The previous prime is 2045213. The next prime is 2045311. The reversal of 2045273 is 3725402.

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 1507984 + 537289 = 1228^2 + 733^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045273 - 2¹⁰ = 2044249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7328 + ... + 7601.

It is an arithmetic number, because the mean of its divisors is an integer number (515085).

2^2045273 is an apocalyptic number.

It is an amenable number.

2045273 is a deficient number, since it is larger than the sum of its proper divisors (15067).

2045273 is a wasteful number, since it uses less digits than its factorization.

2045273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15066.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2045273 is about 1430.1304136337. The cubic root of 2045273 is about 126.9356939825.

The spelling of 2045273 in words is "two million, forty-five thousand, two hundred seventy-three".