210238241 has 2 divisors, whose sum is σ = 210238242. Its totient is φ = 210238240.

The previous prime is 210238199. The next prime is 210238243. The reversal of 210238241 is 142832012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201214225 + 9024016 = 14185^2 + 3004^2 .

It is a cyclic number.

It is not a de Polignac number, because 210238241 - 2¹⁸ = 209976097 is a prime.

Together with 210238243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (210238243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105119120 + 105119121.

It is an arithmetic number, because the mean of its divisors is an integer number (105119121).

Almost surely, 2^210238241 is an apocalyptic number.

It is an amenable number.

210238241 is a deficient number, since it is larger than the sum of its proper divisors (1).

210238241 is an equidigital number, since it uses as much as digits as its factorization.

210238241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 210238241 is about 14499.5945115717. The cubic root of 210238241 is about 594.6168858699.

The spelling of 210238241 in words is "two hundred ten million, two hundred thirty-eight thousand, two hundred forty-one".