204252251 has 8 divisors (see below), whose sum is σ = 233708544. Its totient is φ = 174865320.

The previous prime is 204252233. The next prime is 204252253. The reversal of 204252251 is 152252402.

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

It is not a de Polignac number, because 204252251 - 2¹⁰ = 204251227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204252253) 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 in 7 ways as a sum of consecutive naturals, for example, 10865 + ... + 22946.

It is an arithmetic number, because the mean of its divisors is an integer number (29213568).

Almost surely, 2^204252251 is an apocalyptic number.

204252251 is a deficient number, since it is larger than the sum of its proper divisors (29456293).

204252251 is an equidigital number, since it uses as much as digits as its factorization.

204252251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34681.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 204252251 is about 14291.6846802608. The cubic root of 204252251 is about 588.9190694011.

The spelling of 204252251 in words is "two hundred four million, two hundred fifty-two thousand, two hundred fifty-one".