27051329 has 4 divisors (see below), whose sum is σ = 27782484. Its totient is φ = 26320176.

The previous prime is 27051281. The next prime is 27051347. The reversal of 27051329 is 92315072.

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 22420225 + 4631104 = 4735^2 + 2152^2 .

It is a cyclic number.

It is not a de Polignac number, because 27051329 - 2¹² = 27047233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27050329) 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, 365522 + ... + 365595.

It is an arithmetic number, because the mean of its divisors is an integer number (6945621).

Almost surely, 2^27051329 is an apocalyptic number.

It is an amenable number.

27051329 is a deficient number, since it is larger than the sum of its proper divisors (731155).

27051329 is an equidigital number, since it uses as much as digits as its factorization.

27051329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731154.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 27051329 is about 5201.0892128476. The cubic root of 27051329 is about 300.1899870651.

The spelling of 27051329 in words is "twenty-seven million, fifty-one thousand, three hundred twenty-nine".