27482881 has 2 divisors, whose sum is σ = 27482882. Its totient is φ = 27482880.

The previous prime is 27482867. The next prime is 27482899. The reversal of 27482881 is 18828472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27457600 + 25281 = 5240^2 + 159^2 .

It is a cyclic number.

It is not a de Polignac number, because 27482881 - 2¹⁹ = 26958593 is a prime.

It is a super-2 number, since 2×27482881² = 1510617496120322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27482281) 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 as a sum of consecutive naturals, namely, 13741440 + 13741441.

It is an arithmetic number, because the mean of its divisors is an integer number (13741441).

Almost surely, 2^27482881 is an apocalyptic number.

It is an amenable number.

27482881 is a deficient number, since it is larger than the sum of its proper divisors (1).

27482881 is an equidigital number, since it uses as much as digits as its factorization.

27482881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57344, while the sum is 40.

The square root of 27482881 is about 5242.4117541452. The cubic root of 27482881 is about 301.7778910128. Note that the first 3 decimals are identical.

The spelling of 27482881 in words is "twenty-seven million, four hundred eighty-two thousand, eight hundred eighty-one".