208170241 has 4 divisors (see below), whose sum is σ = 208373184. Its totient is φ = 207967300.

The previous prime is 208170233. The next prime is 208170269. The reversal of 208170241 is 142071802.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 208170241 - 2³ = 208170233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208170211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99925 + ... + 101986.

It is an arithmetic number, because the mean of its divisors is an integer number (52093296).

Almost surely, 2^208170241 is an apocalyptic number.

It is an amenable number.

208170241 is a deficient number, since it is larger than the sum of its proper divisors (202943).

208170241 is a wasteful number, since it uses less digits than its factorization.

208170241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202942.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 208170241 is about 14428.1059394503. The cubic root of 208170241 is about 592.6608164895.

The spelling of 208170241 in words is "two hundred eight million, one hundred seventy thousand, two hundred forty-one".