27085321 has 4 divisors (see below), whose sum is σ = 27112144. Its totient is φ = 27058500.

The previous prime is 27085319. The next prime is 27085327. The reversal of 27085321 is 12358072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27085321 - 2¹ = 27085319 is a prime.

It is a super-2 number, since 2×27085321² = 1467229227346082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27085321.

It is not an unprimeable number, because it can be changed into a prime (27085327) 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 3 ways as a sum of consecutive naturals, for example, 11835 + ... + 13936.

It is an arithmetic number, because the mean of its divisors is an integer number (6778036).

Almost surely, 2^27085321 is an apocalyptic number.

It is an amenable number.

27085321 is a deficient number, since it is larger than the sum of its proper divisors (26823).

27085321 is a wasteful number, since it uses less digits than its factorization.

27085321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26822.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 27085321 is about 5204.3559639979. The cubic root of 27085321 is about 300.3156714257.

The spelling of 27085321 in words is "twenty-seven million, eighty-five thousand, three hundred twenty-one".