853500505 has 16 divisors (see below), whose sum is σ = 1203257664. Its totient is φ = 572978880.

The previous prime is 853500493. The next prime is 853500559. The reversal of 853500505 is 505005358.

It is not a de Polignac number, because 853500505 - 2⁷ = 853500377 is a prime.

It is a super-2 number, since 2×853500505² = 1456926224070510050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596139 + ... + 597568.

It is an arithmetic number, because the mean of its divisors is an integer number (75203604).

Almost surely, 2^853500505 is an apocalyptic number.

It is an amenable number.

853500505 is a deficient number, since it is larger than the sum of its proper divisors (349757159).

853500505 is a wasteful number, since it uses less digits than its factorization.

853500505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193736.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 853500505 is about 29214.7309588844. The cubic root of 853500505 is about 948.5668158804.

The spelling of 853500505 in words is "eight hundred fifty-three million, five hundred thousand, five hundred five".