204214513 has 8 divisors (see below), whose sum is σ = 205472232. Its totient is φ = 202960896.

The previous prime is 204214511. The next prime is 204214541. The reversal of 204214513 is 315412402.

It can be written as a sum of positive squares in 4 ways, for example, as 128663649 + 75550864 = 11343^2 + 8692^2 .

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 204214513 - 2¹ = 204214511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204214511) 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, 204331 + ... + 205327.

It is an arithmetic number, because the mean of its divisors is an integer number (25684029).

Almost surely, 2^204214513 is an apocalyptic number.

It is an amenable number.

204214513 is a deficient number, since it is larger than the sum of its proper divisors (1257719).

204214513 is an equidigital number, since it uses as much as digits as its factorization.

204214513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 204214513 is about 14290.3643410516. The cubic root of 204214513 is about 588.8827972644.

Adding to 204214513 its reverse (315412402), we get a palindrome (519626915).

The spelling of 204214513 in words is "two hundred four million, two hundred fourteen thousand, five hundred thirteen".