27030061 has 2 divisors, whose sum is σ = 27030062. Its totient is φ = 27030060.

The previous prime is 27030049. The next prime is 27030071. The reversal of 27030061 is 16003072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26677225 + 352836 = 5165^2 + 594^2 .

It is a cyclic number.

It is not a de Polignac number, because 27030061 - 2⁹ = 27029549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27030071) 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, 13515030 + 13515031.

It is an arithmetic number, because the mean of its divisors is an integer number (13515031).

Almost surely, 2^27030061 is an apocalyptic number.

It is an amenable number.

27030061 is a deficient number, since it is larger than the sum of its proper divisors (1).

27030061 is an equidigital number, since it uses as much as digits as its factorization.

27030061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 27030061 is about 5199.0442390886. The cubic root of 27030061 is about 300.1112957428. Note that the first 3 decimals are identical.

The spelling of 27030061 in words is "twenty-seven million, thirty thousand, sixty-one".