210244241 has 4 divisors (see below), whose sum is σ = 210387684. Its totient is φ = 210100800.

The previous prime is 210244217. The next prime is 210244261. The reversal of 210244241 is 142442012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75777025 + 134467216 = 8705^2 + 11596^2 .

It is a cyclic number.

It is not a de Polignac number, because 210244241 - 2¹⁰ = 210243217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210244261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69500 + ... + 72461.

It is an arithmetic number, because the mean of its divisors is an integer number (52596921).

Almost surely, 2^210244241 is an apocalyptic number.

It is an amenable number.

210244241 is a deficient number, since it is larger than the sum of its proper divisors (143443).

210244241 is a wasteful number, since it uses less digits than its factorization.

210244241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143442.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 210244241 is about 14499.8014124332. The cubic root of 210244241 is about 594.6225424168.

Adding to 210244241 its reverse (142442012), we get a palindrome (352686253).

The spelling of 210244241 in words is "two hundred ten million, two hundred forty-four thousand, two hundred forty-one".