27144261 has 16 divisors (see below), whose sum is σ = 41601600. Its totient is φ = 17471664.

The previous prime is 27144259. The next prime is 27144269. The reversal of 27144261 is 16244172.

It is not a de Polignac number, because 27144261 - 2¹ = 27144259 is a prime.

It is a super-2 number, since 2×27144261² = 1473621810472242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27144269) 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, 16551 + ... + 18116.

It is an arithmetic number, because the mean of its divisors is an integer number (2600100).

Almost surely, 2^27144261 is an apocalyptic number.

It is an amenable number.

27144261 is a deficient number, since it is larger than the sum of its proper divisors (14457339).

27144261 is a wasteful number, since it uses less digits than its factorization.

27144261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34705 (or 34699 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 27144261 is about 5210.0154510328. The cubic root of 27144261 is about 300.5333512263.

The spelling of 27144261 in words is "twenty-seven million, one hundred forty-four thousand, two hundred sixty-one".