204355213 has 8 divisors (see below), whose sum is σ = 207724608. Its totient is φ = 201007584.

The previous prime is 204355211. The next prime is 204355223. The reversal of 204355213 is 312553402.

204355213 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 a cyclic number.

It is not a de Polignac number, because 204355213 - 2¹ = 204355211 is a prime.

It is a super-2 number, since 2×204355213² = 83522106160550738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204355211) 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, 14056 + ... + 24622.

It is an arithmetic number, because the mean of its divisors is an integer number (25965576).

Almost surely, 2^204355213 is an apocalyptic number.

It is an amenable number.

204355213 is a deficient number, since it is larger than the sum of its proper divisors (3369395).

204355213 is a wasteful number, since it uses less digits than its factorization.

204355213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10883.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 204355213 is about 14295.2863909752. The cubic root of 204355213 is about 589.0180093133.

The spelling of 204355213 in words is "two hundred four million, three hundred fifty-five thousand, two hundred thirteen".