204212513 has 8 divisors (see below), whose sum is σ = 220204320. Its totient is φ = 188745120.

The previous prime is 204212497. The next prime is 204212521. The reversal of 204212513 is 315212402.

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 204212513 - 2⁴ = 204212497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204212563) 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, 130295 + ... + 131852.

It is an arithmetic number, because the mean of its divisors is an integer number (27525540).

Almost surely, 2^204212513 is an apocalyptic number.

It is an amenable number.

204212513 is a deficient number, since it is larger than the sum of its proper divisors (15991807).

204212513 is a wasteful number, since it uses less digits than its factorization.

204212513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262207.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 204212513 is about 14290.2943636582. The cubic root of 204212513 is about 588.8808748260.

Adding to 204212513 its reverse (315212402), we get a palindrome (519424915).

The spelling of 204212513 in words is "two hundred four million, two hundred twelve thousand, five hundred thirteen".