27416009 has 2 divisors, whose sum is σ = 27416010. Its totient is φ = 27416008.

The previous prime is 27415987. The next prime is 27416017. The reversal of 27416009 is 90061472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22771984 + 4644025 = 4772^2 + 2155^2 .

It is a cyclic number.

It is not a de Polignac number, because 27416009 - 2¹² = 27411913 is a prime.

It is not a weakly prime, because it can be changed into another prime (27416089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13708004 + 13708005.

It is an arithmetic number, because the mean of its divisors is an integer number (13708005).

Almost surely, 2^27416009 is an apocalyptic number.

It is an amenable number.

27416009 is a deficient number, since it is larger than the sum of its proper divisors (1).

27416009 is an equidigital number, since it uses as much as digits as its factorization.

27416009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 27416009 is about 5236.0298891431. The cubic root of 27416009 is about 301.5329278401.

The spelling of 27416009 in words is "twenty-seven million, four hundred sixteen thousand, nine".