27444061 has 2 divisors, whose sum is σ = 27444062. Its totient is φ = 27444060.

The previous prime is 27444029. The next prime is 27444077. The reversal of 27444061 is 16044472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25100100 + 2343961 = 5010^2 + 1531^2 .

It is a cyclic number.

It is not a de Polignac number, because 27444061 - 2⁵ = 27444029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27444091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13722030 + 13722031.

It is an arithmetic number, because the mean of its divisors is an integer number (13722031).

Almost surely, 2^27444061 is an apocalyptic number.

It is an amenable number.

27444061 is a deficient number, since it is larger than the sum of its proper divisors (1).

27444061 is an equidigital number, since it uses as much as digits as its factorization.

27444061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 27444061 is about 5238.7079513941. The cubic root of 27444061 is about 301.6357353931.

The spelling of 27444061 in words is "twenty-seven million, four hundred forty-four thousand, sixty-one".