27285317 has 16 divisors (see below), whose sum is σ = 29548800. Its totient is φ = 25139520.

The previous prime is 27285299. The next prime is 27285329. The reversal of 27285317 is 71358272.

It is not a de Polignac number, because 27285317 - 2¹⁶ = 27219781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27285397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63092 + ... + 63522.

It is an arithmetic number, because the mean of its divisors is an integer number (1846800).

Almost surely, 2^27285317 is an apocalyptic number.

It is an amenable number.

27285317 is a deficient number, since it is larger than the sum of its proper divisors (2263483).

27285317 is a wasteful number, since it uses less digits than its factorization.

27285317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556.

The product of its digits is 23520, while the sum is 35.

The square root of 27285317 is about 5223.5349142128. The cubic root of 27285317 is about 301.0530290708.

The spelling of 27285317 in words is "twenty-seven million, two hundred eighty-five thousand, three hundred seventeen".