27007249 has 2 divisors, whose sum is σ = 27007250. Its totient is φ = 27007248.

The previous prime is 27007247. The next prime is 27007291. The reversal of 27007249 is 94270072.

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., 26967249 + 40000 = 5193^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 27007249 - 2¹ = 27007247 is a prime.

Together with 27007247, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 27007249.

It is not a weakly prime, because it can be changed into another prime (27007241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13503624 + 13503625.

It is an arithmetic number, because the mean of its divisors is an integer number (13503625).

Almost surely, 2^27007249 is an apocalyptic number.

It is an amenable number.

27007249 is a deficient number, since it is larger than the sum of its proper divisors (1).

27007249 is an equidigital number, since it uses as much as digits as its factorization.

27007249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 27007249 is about 5196.8499112443. The cubic root of 27007249 is about 300.0268457458.

The spelling of 27007249 in words is "twenty-seven million, seven thousand, two hundred forty-nine".