27447241 has 2 divisors, whose sum is σ = 27447242. Its totient is φ = 27447240.

The previous prime is 27447239. The next prime is 27447271. The reversal of 27447241 is 14274472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27092025 + 355216 = 5205^2 + 596^2 .

It is a cyclic number.

It is not a de Polignac number, because 27447241 - 2¹ = 27447239 is a prime.

Together with 27447239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27447271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13723620 + 13723621.

It is an arithmetic number, because the mean of its divisors is an integer number (13723621).

Almost surely, 2^27447241 is an apocalyptic number.

It is an amenable number.

27447241 is a deficient number, since it is larger than the sum of its proper divisors (1).

27447241 is an equidigital number, since it uses as much as digits as its factorization.

27447241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12544, while the sum is 31.

The square root of 27447241 is about 5239.0114525548. The cubic root of 27447241 is about 301.6473853282.

The spelling of 27447241 in words is "twenty-seven million, four hundred forty-seven thousand, two hundred forty-one".