204212534 has 8 divisors (see below), whose sum is σ = 324337608. Its totient is φ = 96100000.

The previous prime is 204212527. The next prime is 204212539. The reversal of 204212534 is 435212402.

It is a happy number.

204212534 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204212539) 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 3 ways as a sum of consecutive naturals, for example, 3003092 + ... + 3003159.

It is an arithmetic number, because the mean of its divisors is an integer number (40542201).

Almost surely, 2^204212534 is an apocalyptic number.

204212534 is a deficient number, since it is larger than the sum of its proper divisors (120125074).

204212534 is a wasteful number, since it uses less digits than its factorization.

204212534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006270.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 204212534 is about 14290.2950984226. The cubic root of 204212534 is about 588.8808950117.

Adding to 204212534 its reverse (435212402), we get a palindrome (639424936).

The spelling of 204212534 in words is "two hundred four million, two hundred twelve thousand, five hundred thirty-four".