4205273 has 4 divisors (see below), whose sum is σ = 4452660. Its totient is φ = 3957888.

The previous prime is 4205269. The next prime is 4205281. The reversal of 4205273 is 3725024.

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 1236544 + 2968729 = 1112^2 + 1723^2 .

It is a cyclic number.

It is not a de Polignac number, because 4205273 - 2² = 4205269 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 2⁷ + 0 + 5 + 2¹³ + 7⁴ + 3⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4205233) 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, 123668 + ... + 123701.

It is an arithmetic number, because the mean of its divisors is an integer number (1113165).

Almost surely, 2^4205273 is an apocalyptic number.

It is an amenable number.

4205273 is a deficient number, since it is larger than the sum of its proper divisors (247387).

4205273 is a wasteful number, since it uses less digits than its factorization.

4205273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247386.

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

The square root of 4205273 is about 2050.6762299300. The cubic root of 4205273 is about 161.4103570736.

Subtracting from 4205273 its reverse (3725024), we obtain a square (480249 = 693²).

The spelling of 4205273 in words is "four million, two hundred five thousand, two hundred seventy-three".