204533401 has 4 divisors (see below), whose sum is σ = 204580900. Its totient is φ = 204485904.

The previous prime is 204533387. The next prime is 204533467. The reversal of 204533401 is 104335402.

204533401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104335402 = 2 ⋅52167701.

It can be written as a sum of positive squares in 2 ways, for example, as 28944400 + 175589001 = 5380^2 + 13251^2 .

It is a cyclic number.

It is not a de Polignac number, because 204533401 - 2⁵ = 204533369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204533501) 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, 16566 + ... + 26143.

It is an arithmetic number, because the mean of its divisors is an integer number (51145225).

Almost surely, 2^204533401 is an apocalyptic number.

It is an amenable number.

204533401 is a deficient number, since it is larger than the sum of its proper divisors (47499).

204533401 is an equidigital number, since it uses as much as digits as its factorization.

204533401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47498.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 204533401 is about 14301.5174369715. The cubic root of 204533401 is about 589.1891581163.

Adding to 204533401 its reverse (104335402), we get a palindrome (308868803).

The spelling of 204533401 in words is "two hundred four million, five hundred thirty-three thousand, four hundred one".