210198241 has 8 divisors (see below), whose sum is σ = 234186624. Its totient is φ = 187023120.

The previous prime is 210198227. The next prime is 210198257. The reversal of 210198241 is 142891012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210198241 - 2⁷ = 210198113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210198041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202770 + ... + 203803.

It is an arithmetic number, because the mean of its divisors is an integer number (29273328).

Almost surely, 2^210198241 is an apocalyptic number.

It is an amenable number.

210198241 is a deficient number, since it is larger than the sum of its proper divisors (23988383).

210198241 is a wasteful number, since it uses less digits than its factorization.

210198241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406631.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 210198241 is about 14498.2150970387. The cubic root of 210198241 is about 594.5791728070.

The spelling of 210198241 in words is "two hundred ten million, one hundred ninety-eight thousand, two hundred forty-one".