27441481 has 2 divisors, whose sum is σ = 27441482. Its totient is φ = 27441480.

The previous prime is 27441473. The next prime is 27441493. The reversal of 27441481 is 18414472.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23377225 + 4064256 = 4835^2 + 2016^2 .

It is a cyclic number.

It is not a de Polignac number, because 27441481 - 2³ = 27441473 is a prime.

It is a super-2 number, since 2×27441481² = 1506069758946722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27441581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13720740 + 13720741.

It is an arithmetic number, because the mean of its divisors is an integer number (13720741).

Almost surely, 2^27441481 is an apocalyptic number.

It is an amenable number.

27441481 is a deficient number, since it is larger than the sum of its proper divisors (1).

27441481 is an equidigital number, since it uses as much as digits as its factorization.

27441481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7168, while the sum is 31.

The square root of 27441481 is about 5238.4617016830. The cubic root of 27441481 is about 301.6262828976.

It can be divided in two parts, 2744 and 1481, that added together give a square (4225 = 65²).

The spelling of 27441481 in words is "twenty-seven million, four hundred forty-one thousand, four hundred eighty-one".