27154081 has 2 divisors, whose sum is σ = 27154082. Its totient is φ = 27154080.

The previous prime is 27154051. The next prime is 27154091. The reversal of 27154081 is 18045172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25411681 + 1742400 = 5041^2 + 1320^2 .

It is a cyclic number.

It is not a de Polignac number, because 27154081 - 2¹⁵ = 27121313 is a prime.

It is a super-2 number, since 2×27154081² = 1474688229909122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27154051) 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, 13577040 + 13577041.

It is an arithmetic number, because the mean of its divisors is an integer number (13577041).

Almost surely, 2^27154081 is an apocalyptic number.

It is an amenable number.

27154081 is a deficient number, since it is larger than the sum of its proper divisors (1).

27154081 is an equidigital number, since it uses as much as digits as its factorization.

27154081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 27154081 is about 5210.9577814448. The cubic root of 27154081 is about 300.5695882500.

The spelling of 27154081 in words is "twenty-seven million, one hundred fifty-four thousand, eighty-one".