27048949 has 2 divisors, whose sum is σ = 27048950. Its totient is φ = 27048948.

The previous prime is 27048947. The next prime is 27048979. The reversal of 27048949 is 94984072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26780625 + 268324 = 5175^2 + 518^2 .

It is a cyclic number.

It is not a de Polignac number, because 27048949 - 2¹ = 27048947 is a prime.

Together with 27048947, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27048947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13524474 + 13524475.

It is an arithmetic number, because the mean of its divisors is an integer number (13524475).

Almost surely, 2^27048949 is an apocalyptic number.

It is an amenable number.

27048949 is a deficient number, since it is larger than the sum of its proper divisors (1).

27048949 is an equidigital number, since it uses as much as digits as its factorization.

27048949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 27048949 is about 5200.8604095861. The cubic root of 27048949 is about 300.1811831461.

The spelling of 27048949 in words is "twenty-seven million, forty-eight thousand, nine hundred forty-nine".