27009497 has 2 divisors, whose sum is σ = 27009498. Its totient is φ = 27009496.

The previous prime is 27009491. The next prime is 27009503. The reversal of 27009497 is 79490072.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (27009491) and next prime (27009503).

It can be written as a sum of positive squares in only one way, i.e., 17547721 + 9461776 = 4189^2 + 3076^2 .

It is a cyclic number.

It is not a de Polignac number, because 27009497 - 2¹⁰ = 27008473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27009497.

It is not a weakly prime, because it can be changed into another prime (27009491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13504748 + 13504749.

It is an arithmetic number, because the mean of its divisors is an integer number (13504749).

Almost surely, 2^27009497 is an apocalyptic number.

It is an amenable number.

27009497 is a deficient number, since it is larger than the sum of its proper divisors (1).

27009497 is an equidigital number, since it uses as much as digits as its factorization.

27009497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 27009497 is about 5197.0661916123. The cubic root of 27009497 is about 300.0351699508.

The spelling of 27009497 in words is "twenty-seven million, nine thousand, four hundred ninety-seven".