204828619 has 2 divisors, whose sum is σ = 204828620. Its totient is φ = 204828618.

The previous prime is 204828601. The next prime is 204828671. The reversal of 204828619 is 916828402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204828619 - 2²¹ = 202731467 is a prime.

It is a super-2 number, since 2×204828619² = 83909526322894322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (204828419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102414309 + 102414310.

It is an arithmetic number, because the mean of its divisors is an integer number (102414310).

Almost surely, 2^204828619 is an apocalyptic number.

204828619 is a deficient number, since it is larger than the sum of its proper divisors (1).

204828619 is an equidigital number, since it uses as much as digits as its factorization.

204828619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 204828619 is about 14311.8349277792. The cubic root of 204828619 is about 589.4724950915.

The spelling of 204828619 in words is "two hundred four million, eight hundred twenty-eight thousand, six hundred nineteen".