8273505 has 16 divisors (see below), whose sum is σ = 13291200. Its totient is φ = 4394688.

The previous prime is 8273479. The next prime is 8273527. The reversal of 8273505 is 5053728.

It is a happy number.

It is not a de Polignac number, because 8273505 - 2¹¹ = 8271457 is a prime.

8273505 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3271 + ... + 5219.

It is an arithmetic number, because the mean of its divisors is an integer number (830700).

Almost surely, 2^8273505 is an apocalyptic number.

It is an amenable number.

8273505 is a deficient number, since it is larger than the sum of its proper divisors (5017695).

8273505 is a wasteful number, since it uses less digits than its factorization.

8273505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 8273505 is about 2876.3701083136. The cubic root of 8273505 is about 202.2537167445.

It can be divided in two parts, 8273 and 505, that added together give a palindrome (8778).

The spelling of 8273505 in words is "eight million, two hundred seventy-three thousand, five hundred five".