204535401 has 8 divisors (see below), whose sum is σ = 311673024. Its totient is φ = 116877360.

The previous prime is 204535369. The next prime is 204535411. The reversal of 204535401 is 104535402.

204535401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204535401 - 2⁵ = 204535369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204535411) 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, 4869870 + ... + 4869911.

It is an arithmetic number, because the mean of its divisors is an integer number (38959128).

Almost surely, 2^204535401 is an apocalyptic number.

204535401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

204535401 is a deficient number, since it is larger than the sum of its proper divisors (107137623).

204535401 is an equidigital number, since it uses as much as digits as its factorization.

204535401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9739791.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 204535401 is about 14301.5873594507. The cubic root of 204535401 is about 589.1910785434.

Adding to 204535401 its sum of digits (24), we get a triangular number (204535425 = T₂₀₂₂₅).

Subtracting from 204535401 its reverse (104535402), we obtain a palindrome (99999999).

The spelling of 204535401 in words is "two hundred four million, five hundred thirty-five thousand, four hundred one".