27084661 has 2 divisors, whose sum is σ = 27084662. Its totient is φ = 27084660.

The previous prime is 27084653. The next prime is 27084667. The reversal of 27084661 is 16648072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17690436 + 9394225 = 4206^2 + 3065^2 .

It is a cyclic number.

It is not a de Polignac number, because 27084661 - 2³ = 27084653 is a prime.

It is a super-2 number, since 2×27084661² = 1467157722969842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27084667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13542330 + 13542331.

It is an arithmetic number, because the mean of its divisors is an integer number (13542331).

Almost surely, 2^27084661 is an apocalyptic number.

It is an amenable number.

27084661 is a deficient number, since it is larger than the sum of its proper divisors (1).

27084661 is an equidigital number, since it uses as much as digits as its factorization.

27084661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 27084661 is about 5204.2925551894. The cubic root of 27084661 is about 300.3132320976.

The spelling of 27084661 in words is "twenty-seven million, eighty-four thousand, six hundred sixty-one".