204302387 has 2 divisors, whose sum is σ = 204302388. Its totient is φ = 204302386.

The previous prime is 204302381. The next prime is 204302389. The reversal of 204302387 is 783203402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204302387 - 2²⁶ = 137193523 is a prime.

Together with 204302389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (204302381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102151193 + 102151194.

It is an arithmetic number, because the mean of its divisors is an integer number (102151194).

Almost surely, 2^204302387 is an apocalyptic number.

204302387 is a deficient number, since it is larger than the sum of its proper divisors (1).

204302387 is an equidigital number, since it uses as much as digits as its factorization.

204302387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 204302387 is about 14293.4385995813. The cubic root of 204302387 is about 588.9672510504.

Adding to 204302387 its reverse (783203402), we get a palindrome (987505789).

The spelling of 204302387 in words is "two hundred four million, three hundred two thousand, three hundred eighty-seven".