205441401 has 16 divisors (see below), whose sum is σ = 305775360. Its totient is φ = 121613520.

The previous prime is 205441367. The next prime is 205441417. The reversal of 205441401 is 104144502.

It is a happy number.

It is not a de Polignac number, because 205441401 - 2⁶ = 205441337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205441601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70971 + ... + 73808.

It is an arithmetic number, because the mean of its divisors is an integer number (19110960).

Almost surely, 2^205441401 is an apocalyptic number.

It is an amenable number.

205441401 is a deficient number, since it is larger than the sum of its proper divisors (100333959).

205441401 is a wasteful number, since it uses less digits than its factorization.

205441401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144836.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 205441401 is about 14333.2271662735. The cubic root of 205441401 is about 590.0597478514.

Adding to 205441401 its reverse (104144502), we get a palindrome (309585903).

It can be divided in two parts, 20544 and 1401, that added together give a triangular number (21945 = T₂₀₉).

The spelling of 205441401 in words is "two hundred five million, four hundred forty-one thousand, four hundred one".