204324541 has 4 divisors (see below), whose sum is σ = 204640992. Its totient is φ = 204008092.

The previous prime is 204324521. The next prime is 204324559. The reversal of 204324541 is 145423402.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 145423402 = 2 ⋅72711701.

It is a cyclic number.

It is not a de Polignac number, because 204324541 - 2⁷ = 204324413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204324521) 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, 157255 + ... + 158548.

It is an arithmetic number, because the mean of its divisors is an integer number (51160248).

Almost surely, 2^204324541 is an apocalyptic number.

It is an amenable number.

204324541 is a deficient number, since it is larger than the sum of its proper divisors (316451).

204324541 is an equidigital number, since it uses as much as digits as its factorization.

204324541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316450.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 204324541 is about 14294.2135495451. The cubic root of 204324541 is about 588.9885389545.

Adding to 204324541 its reverse (145423402), we get a palindrome (349747943).

The spelling of 204324541 in words is "two hundred four million, three hundred twenty-four thousand, five hundred forty-one".