204253321 has 8 divisors (see below), whose sum is σ = 205990400. Its totient is φ = 202521600.

The previous prime is 204253307. The next prime is 204253331. The reversal of 204253321 is 123352402.

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

It is a cyclic number.

It is not a de Polignac number, because 204253321 - 2⁹ = 204252809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204253292 and 204253301.

It is not an unprimeable number, because it can be changed into a prime (204253331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115240 + ... + 116998.

It is an arithmetic number, because the mean of its divisors is an integer number (25748800).

Almost surely, 2^204253321 is an apocalyptic number.

It is an amenable number.

204253321 is a deficient number, since it is larger than the sum of its proper divisors (1737079).

204253321 is a wasteful number, since it uses less digits than its factorization.

204253321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679.

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

The square root of 204253321 is about 14291.7221145669. The cubic root of 204253321 is about 588.9200977738.

The spelling of 204253321 in words is "two hundred four million, two hundred fifty-three thousand, three hundred twenty-one".