208242801 has 48 divisors (see below), whose sum is σ = 333889920. Its totient is φ = 124277760.

The previous prime is 208242791. The next prime is 208242803. The reversal of 208242801 is 108242802.

It is not a de Polignac number, because 208242801 - 2⁶ = 208242737 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (208242803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 669436 + ... + 669746.

It is an arithmetic number, because the mean of its divisors is an integer number (6956040).

Almost surely, 2^208242801 is an apocalyptic number.

It is an amenable number.

208242801 is a deficient number, since it is larger than the sum of its proper divisors (125647119).

208242801 is a wasteful number, since it uses less digits than its factorization.

208242801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 208242801 is about 14430.6202569398. The cubic root of 208242801 is about 592.7296679468.

Subtracting from 208242801 its reverse (108242802), we obtain a palindrome (99999999).

The spelling of 208242801 in words is "two hundred eight million, two hundred forty-two thousand, eight hundred one".