8273605 has 4 divisors (see below), whose sum is σ = 9928332. Its totient is φ = 6618880.

The previous prime is 8273599. The next prime is 8273609. The reversal of 8273605 is 5063728.

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 1887876 + 6385729 = 1374^2 + 2527^2 .

It is not a de Polignac number, because 8273605 - 2⁷ = 8273477 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

8273605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8273609) 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, 827356 + ... + 827365.

It is an arithmetic number, because the mean of its divisors is an integer number (2482083).

Almost surely, 2^8273605 is an apocalyptic number.

It is an amenable number.

8273605 is a deficient number, since it is larger than the sum of its proper divisors (1654727).

8273605 is a wasteful number, since it uses less digits than its factorization.

8273605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654726.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 8273605 is about 2876.3874912814. The cubic root of 8273605 is about 202.2545316063.

The spelling of 8273605 in words is "eight million, two hundred seventy-three thousand, six hundred five".