27853019 has 2 divisors, whose sum is σ = 27853020. Its totient is φ = 27853018.

The previous prime is 27853013. The next prime is 27853043. The reversal of 27853019 is 91035872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27853019 - 2¹² = 27848923 is a prime.

It is a super-2 number, since 2×27853019² = 1551581334828722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27853019.

It is not a weakly prime, because it can be changed into another prime (27853013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13926509 + 13926510.

It is an arithmetic number, because the mean of its divisors is an integer number (13926510).

Almost surely, 2^27853019 is an apocalyptic number.

27853019 is a deficient number, since it is larger than the sum of its proper divisors (1).

27853019 is an equidigital number, since it uses as much as digits as its factorization.

27853019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 27853019 is about 5277.5959489146. The cubic root of 27853019 is about 303.1266303664.

The spelling of 27853019 in words is "twenty-seven million, eight hundred fifty-three thousand, nineteen".