210040027 has 2 divisors, whose sum is σ = 210040028. Its totient is φ = 210040026.

The previous prime is 210040013. The next prime is 210040067. The reversal of 210040027 is 720040012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210040027 - 2⁷ = 210039899 is a prime.

It is not a weakly prime, because it can be changed into another prime (210040067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105020013 + 105020014.

It is an arithmetic number, because the mean of its divisors is an integer number (105020014).

Almost surely, 2^210040027 is an apocalyptic number.

210040027 is a deficient number, since it is larger than the sum of its proper divisors (1).

210040027 is an equidigital number, since it uses as much as digits as its factorization.

210040027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 210040027 is about 14492.7577430936. The cubic root of 210040027 is about 594.4299575381.

Adding to 210040027 its reverse (720040012), we get a palindrome (930080039).

The spelling of 210040027 in words is "two hundred ten million, forty thousand, twenty-seven".