205495201 has 8 divisors (see below), whose sum is σ = 217728000. Its totient is φ = 193278528.

The previous prime is 205495183. The next prime is 205495207. The reversal of 205495201 is 102594502.

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 205495201 - 2⁹ = 205494689 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 205495201.

It is not an unprimeable number, because it can be changed into a prime (205495207) 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, 30960 + ... + 37006.

It is an arithmetic number, because the mean of its divisors is an integer number (27216000).

Almost surely, 2^205495201 is an apocalyptic number.

It is an amenable number.

205495201 is a deficient number, since it is larger than the sum of its proper divisors (12232799).

205495201 is a wasteful number, since it uses less digits than its factorization.

205495201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8063.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 205495201 is about 14335.1038015077. The cubic root of 205495201 is about 590.1112506864. Note that the first 3 decimals are identical.

The spelling of 205495201 in words is "two hundred five million, four hundred ninety-five thousand, two hundred one".