27311049 has 6 divisors (see below), whose sum is σ = 39449306. Its totient is φ = 18207360.

The previous prime is 27311047. The next prime is 27311057. The reversal of 27311049 is 94011372.

It can be written as a sum of positive squares in only one way, i.e., 27092025 + 219024 = 5205^2 + 468^2 .

It is not a de Polignac number, because 27311049 - 2¹ = 27311047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27311047) 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 in 5 ways as a sum of consecutive naturals, for example, 1517272 + ... + 1517289.

Almost surely, 2^27311049 is an apocalyptic number.

It is an amenable number.

27311049 is a deficient number, since it is larger than the sum of its proper divisors (12138257).

27311049 is a wasteful number, since it uses less digits than its factorization.

27311049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034567 (or 3034564 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 27311049 is about 5225.9974167617. The cubic root of 27311049 is about 301.1476374957.

Adding to 27311049 its sum of digits (27), we get a square (27311076 = 5226²).

The spelling of 27311049 in words is "twenty-seven million, three hundred eleven thousand, forty-nine".