205459201 has 4 divisors (see below), whose sum is σ = 205996032. Its totient is φ = 204922372.

The previous prime is 205459183. The next prime is 205459213. The reversal of 205459201 is 102954502.

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 205459201 - 2⁹ = 205458689 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 205459201.

It is not an unprimeable number, because it can be changed into a prime (205459301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267841 + ... + 268606.

It is an arithmetic number, because the mean of its divisors is an integer number (51499008).

Almost surely, 2^205459201 is an apocalyptic number.

It is an amenable number.

205459201 is a deficient number, since it is larger than the sum of its proper divisors (536831).

205459201 is an equidigital number, since it uses as much as digits as its factorization.

205459201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536830.

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

The square root of 205459201 is about 14333.8480876560. The cubic root of 205459201 is about 590.0767888181.

The spelling of 205459201 in words is "two hundred five million, four hundred fifty-nine thousand, two hundred one".