27241261 has 4 divisors (see below), whose sum is σ = 27905724. Its totient is φ = 26576800.

The previous prime is 27241241. The next prime is 27241271. The reversal of 27241261 is 16214272.

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 16152361 + 11088900 = 4019^2 + 3330^2 .

It is a cyclic number.

It is not a de Polignac number, because 27241261 - 2¹¹ = 27239213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27241241) 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, 332170 + ... + 332251.

It is an arithmetic number, because the mean of its divisors is an integer number (6976431).

Almost surely, 2^27241261 is an apocalyptic number.

It is an amenable number.

27241261 is a deficient number, since it is larger than the sum of its proper divisors (664463).

27241261 is an equidigital number, since it uses as much as digits as its factorization.

27241261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664462.

The product of its digits is 1344, while the sum is 25.

The square root of 27241261 is about 5219.3161429444. The cubic root of 27241261 is about 300.8909108995.

The spelling of 27241261 in words is "twenty-seven million, two hundred forty-one thousand, two hundred sixty-one".