27026149 has 2 divisors, whose sum is σ = 27026150. Its totient is φ = 27026148.

The previous prime is 27026147. The next prime is 27026171. The reversal of 27026149 is 94162072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18645124 + 8381025 = 4318^2 + 2895^2 .

It is a cyclic number.

It is not a de Polignac number, because 27026149 - 2¹ = 27026147 is a prime.

Together with 27026147, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 27026149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27026147) 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, 13513074 + 13513075.

It is an arithmetic number, because the mean of its divisors is an integer number (13513075).

Almost surely, 2^27026149 is an apocalyptic number.

It is an amenable number.

27026149 is a deficient number, since it is larger than the sum of its proper divisors (1).

27026149 is an equidigital number, since it uses as much as digits as its factorization.

27026149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 27026149 is about 5198.6680024791. The cubic root of 27026149 is about 300.0968168997.

The spelling of 27026149 in words is "twenty-seven million, twenty-six thousand, one hundred forty-nine".