204302534 has 4 divisors (see below), whose sum is σ = 306453804. Its totient is φ = 102151266.

The previous prime is 204302533. The next prime is 204302551. The reversal of 204302534 is 435203402.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204302533) 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, 51075632 + ... + 51075635.

It is an arithmetic number, because the mean of its divisors is an integer number (76613451).

Almost surely, 2^204302534 is an apocalyptic number.

204302534 is a deficient number, since it is larger than the sum of its proper divisors (102151270).

204302534 is a wasteful number, since it uses less digits than its factorization.

204302534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102151269.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 204302534 is about 14293.4437417999. The cubic root of 204302534 is about 588.9673923086.

Adding to 204302534 its reverse (435203402), we get a palindrome (639505936).

The spelling of 204302534 in words is "two hundred four million, three hundred two thousand, five hundred thirty-four".