27755141 has 2 divisors, whose sum is σ = 27755142. Its totient is φ = 27755140.

The previous prime is 27755131. The next prime is 27755171. The reversal of 27755141 is 14155772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15880225 + 11874916 = 3985^2 + 3446^2 .

It is a cyclic number.

It is not a de Polignac number, because 27755141 - 2¹⁴ = 27738757 is a prime.

It is a super-3 number, since 3×27755141³ (a number of 23 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27755098 and 27755107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27755131) 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, 13877570 + 13877571.

It is an arithmetic number, because the mean of its divisors is an integer number (13877571).

Almost surely, 2^27755141 is an apocalyptic number.

It is an amenable number.

27755141 is a deficient number, since it is larger than the sum of its proper divisors (1).

27755141 is an equidigital number, since it uses as much as digits as its factorization.

27755141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9800, while the sum is 32.

The square root of 27755141 is about 5268.3148159540. The cubic root of 27755141 is about 302.7711422712.

The spelling of 27755141 in words is "twenty-seven million, seven hundred fifty-five thousand, one hundred forty-one".