27013489 has 2 divisors, whose sum is σ = 27013490. Its totient is φ = 27013488.

The previous prime is 27013487. The next prime is 27013499. The reversal of 27013489 is 98431072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20295025 + 6718464 = 4505^2 + 2592^2 .

It is a cyclic number.

It is not a de Polignac number, because 27013489 - 2¹ = 27013487 is a prime.

Together with 27013487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27013487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13506744 + 13506745.

It is an arithmetic number, because the mean of its divisors is an integer number (13506745).

Almost surely, 2^27013489 is an apocalyptic number.

It is an amenable number.

27013489 is a deficient number, since it is larger than the sum of its proper divisors (1).

27013489 is an equidigital number, since it uses as much as digits as its factorization.

27013489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 27013489 is about 5197.4502402620. The cubic root of 27013489 is about 300.0499509418.

The spelling of 27013489 in words is "twenty-seven million, thirteen thousand, four hundred eighty-nine".