27019049 has 2 divisors, whose sum is σ = 27019050. Its totient is φ = 27019048.

The previous prime is 27019037. The next prime is 27019067. The reversal of 27019049 is 94091072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26265625 + 753424 = 5125^2 + 868^2 .

It is a cyclic number.

It is not a de Polignac number, because 27019049 - 2⁸ = 27018793 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (27019009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13509524 + 13509525.

It is an arithmetic number, because the mean of its divisors is an integer number (13509525).

Almost surely, 2^27019049 is an apocalyptic number.

It is an amenable number.

27019049 is a deficient number, since it is larger than the sum of its proper divisors (1).

27019049 is an equidigital number, since it uses as much as digits as its factorization.

27019049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 27019049 is about 5197.9850903980. The cubic root of 27019049 is about 300.0705352665.

The spelling of 27019049 in words is "twenty-seven million, nineteen thousand, forty-nine".