208242001 has 8 divisors (see below), whose sum is σ = 229379904. Its totient is φ = 187471920.

The previous prime is 208241981. The next prime is 208242017. The reversal of 208242001 is 100242802.

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 208242001 - 2¹⁵ = 208209233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 208242001.

It is not an unprimeable number, because it can be changed into a prime (208242701) 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, 90766 + ... + 93031.

It is an arithmetic number, because the mean of its divisors is an integer number (28672488).

Almost surely, 2^208242001 is an apocalyptic number.

It is an amenable number.

208242001 is a deficient number, since it is larger than the sum of its proper divisors (21137903).

208242001 is a wasteful number, since it uses less digits than its factorization.

208242001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183911.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 208242001 is about 14430.5925380769. The cubic root of 208242001 is about 592.7289089220.

Adding to 208242001 its reverse (100242802), we get a palindrome (308484803).

The spelling of 208242001 in words is "two hundred eight million, two hundred forty-two thousand, one".