27018853 has 2 divisors, whose sum is σ = 27018854. Its totient is φ = 27018852.

The previous prime is 27018851. The next prime is 27018863. The reversal of 27018853 is 35881072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16378209 + 10640644 = 4047^2 + 3262^2 .

It is a cyclic number.

It is not a de Polignac number, because 27018853 - 2¹ = 27018851 is a prime.

Together with 27018851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27018851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13509426 + 13509427.

It is an arithmetic number, because the mean of its divisors is an integer number (13509427).

Almost surely, 2^27018853 is an apocalyptic number.

It is an amenable number.

27018853 is a deficient number, since it is larger than the sum of its proper divisors (1).

27018853 is an equidigital number, since it uses as much as digits as its factorization.

27018853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 27018853 is about 5197.9662369046. The cubic root of 27018853 is about 300.0698096800.

The spelling of 27018853 in words is "twenty-seven million, eighteen thousand, eight hundred fifty-three".