27052985 has 4 divisors (see below), whose sum is σ = 32463588. Its totient is φ = 21642384.

The previous prime is 27052981. The next prime is 27052999. The reversal of 27052985 is 58925072.

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 7929856 + 19123129 = 2816^2 + 4373^2 .

It is a cyclic number.

It is not a de Polignac number, because 27052985 - 2² = 27052981 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27052981) 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, 2705294 + ... + 2705303.

It is an arithmetic number, because the mean of its divisors is an integer number (8115897).

Almost surely, 2^27052985 is an apocalyptic number.

It is an amenable number.

27052985 is a deficient number, since it is larger than the sum of its proper divisors (5410603).

27052985 is an equidigital number, since it uses as much as digits as its factorization.

27052985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5410602.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 27052985 is about 5201.2484078344. The cubic root of 27052985 is about 300.1961125124.

The spelling of 27052985 in words is "twenty-seven million, fifty-two thousand, nine hundred eighty-five".