27133109 has 2 divisors, whose sum is σ = 27133110. Its totient is φ = 27133108.

The previous prime is 27133081. The next prime is 27133133. The reversal of 27133109 is 90133172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24226084 + 2907025 = 4922^2 + 1705^2 .

It is a cyclic number.

It is not a de Polignac number, because 27133109 - 2¹² = 27129013 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27133199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13566554 + 13566555.

It is an arithmetic number, because the mean of its divisors is an integer number (13566555).

Almost surely, 2^27133109 is an apocalyptic number.

It is an amenable number.

27133109 is a deficient number, since it is larger than the sum of its proper divisors (1).

27133109 is an equidigital number, since it uses as much as digits as its factorization.

27133109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 27133109 is about 5208.9450947385. The cubic root of 27133109 is about 300.4921883568.

The spelling of 27133109 in words is "twenty-seven million, one hundred thirty-three thousand, one hundred nine".