27654061 has 2 divisors, whose sum is σ = 27654062. Its totient is φ = 27654060.

The previous prime is 27654041. The next prime is 27654083. The reversal of 27654061 is 16045672.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22857961 + 4796100 = 4781^2 + 2190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27654061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27654041) 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, 13827030 + 13827031.

It is an arithmetic number, because the mean of its divisors is an integer number (13827031).

Almost surely, 2^27654061 is an apocalyptic number.

It is an amenable number.

27654061 is a deficient number, since it is larger than the sum of its proper divisors (1).

27654061 is an equidigital number, since it uses as much as digits as its factorization.

27654061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 27654061 is about 5258.7128653312. The cubic root of 27654061 is about 302.4031463716.

The spelling of 27654061 in words is "twenty-seven million, six hundred fifty-four thousand, sixty-one".