204252434 has 4 divisors (see below), whose sum is σ = 306378654. Its totient is φ = 102126216.

The previous prime is 204252427. The next prime is 204252491. The reversal of 204252434 is 434252402.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 163968025 + 40284409 = 12805^2 + 6347^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 51063107 + ... + 51063110.

Almost surely, 2^204252434 is an apocalyptic number.

204252434 is a deficient number, since it is larger than the sum of its proper divisors (102126220).

204252434 is a wasteful number, since it uses less digits than its factorization.

204252434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102126219.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 204252434 is about 14291.6910825836. The cubic root of 204252434 is about 588.9192452819.

The spelling of 204252434 in words is "two hundred four million, two hundred fifty-two thousand, four hundred thirty-four".