27005313 has 4 divisors (see below), whose sum is σ = 36007088. Its totient is φ = 18003540.

The previous prime is 27005311. The next prime is 27005323. The reversal of 27005313 is 31350072.

It is a happy number.

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 not a de Polignac number, because 27005313 - 2¹ = 27005311 is a prime.

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 27005313.

It is not an unprimeable number, because it can be changed into a prime (27005311) 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, 4500883 + ... + 4500888.

It is an arithmetic number, because the mean of its divisors is an integer number (9001772).

Almost surely, 2^27005313 is an apocalyptic number.

It is an amenable number.

27005313 is a deficient number, since it is larger than the sum of its proper divisors (9001775).

27005313 is an equidigital number, since it uses as much as digits as its factorization.

27005313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9001774.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 27005313 is about 5196.6636412221. The cubic root of 27005313 is about 300.0196764872.

Adding to 27005313 its reverse (31350072), we get a palindrome (58355385).

The spelling of 27005313 in words is "twenty-seven million, five thousand, three hundred thirteen".