27715361 has 2 divisors, whose sum is σ = 27715362. Its totient is φ = 27715360.

The previous prime is 27715351. The next prime is 27715381. The reversal of 27715361 is 16351772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27300625 + 414736 = 5225^2 + 644^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27715361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27715301) 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, 13857680 + 13857681.

It is an arithmetic number, because the mean of its divisors is an integer number (13857681).

Almost surely, 2^27715361 is an apocalyptic number.

It is an amenable number.

27715361 is a deficient number, since it is larger than the sum of its proper divisors (1).

27715361 is an equidigital number, since it uses as much as digits as its factorization.

27715361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 32.

The square root of 27715361 is about 5264.5380614067. The cubic root of 27715361 is about 302.6264244001.

The spelling of 27715361 in words is "twenty-seven million, seven hundred fifteen thousand, three hundred sixty-one".