210242027 has 2 divisors, whose sum is σ = 210242028. Its totient is φ = 210242026.

The previous prime is 210242017. The next prime is 210242033. The reversal of 210242027 is 720242012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210242027 - 2⁶ = 210241963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (210242017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105121013 + 105121014.

It is an arithmetic number, because the mean of its divisors is an integer number (105121014).

Almost surely, 2^210242027 is an apocalyptic number.

210242027 is a deficient number, since it is larger than the sum of its proper divisors (1).

210242027 is an equidigital number, since it uses as much as digits as its factorization.

210242027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 210242027 is about 14499.7250663590. The cubic root of 210242027 is about 594.6204551635.

Adding to 210242027 its reverse (720242012), we get a palindrome (930484039).

The spelling of 210242027 in words is "two hundred ten million, two hundred forty-two thousand, twenty-seven".