205046401 has 16 divisors (see below), whose sum is σ = 248503680. Its totient is φ = 165162240.

The previous prime is 205046389. The next prime is 205046407. The reversal of 205046401 is 104640502.

It is a cyclic number.

It is not a de Polignac number, because 205046401 - 2⁷ = 205046273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205046407) 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, 139810 + ... + 141268.

It is an arithmetic number, because the mean of its divisors is an integer number (15531480).

Almost surely, 2^205046401 is an apocalyptic number.

It is an amenable number.

205046401 is a deficient number, since it is larger than the sum of its proper divisors (43457279).

205046401 is a wasteful number, since it uses less digits than its factorization.

205046401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 205046401 is about 14319.4413648019. The cubic root of 205046401 is about 589.6813380225.

Adding to 205046401 its reverse (104640502), we get a palindrome (309686903).

The spelling of 205046401 in words is "two hundred five million, forty-six thousand, four hundred one".