208433201 has 4 divisors (see below), whose sum is σ = 209681472. Its totient is φ = 207184932.

The previous prime is 208433189. The next prime is 208433207. The reversal of 208433201 is 102334802.

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 208433201 - 2²² = 204238897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208433207) 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, 623885 + ... + 624218.

It is an arithmetic number, because the mean of its divisors is an integer number (52420368).

Almost surely, 2^208433201 is an apocalyptic number.

It is an amenable number.

208433201 is a deficient number, since it is larger than the sum of its proper divisors (1248271).

208433201 is a wasteful number, since it uses less digits than its factorization.

208433201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248270.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 208433201 is about 14437.2158327013. The cubic root of 208433201 is about 592.9102605857.

The spelling of 208433201 in words is "two hundred eight million, four hundred thirty-three thousand, two hundred one".