204225564241 has 8 divisors (see below), whose sum is σ = 204629828904. Its totient is φ = 203821537920.

The previous prime is 204225564181. The next prime is 204225564251. The reversal of 204225564241 is 142465522402.

It can be written as a sum of positive squares in 4 ways, for example, as 14242035600 + 189983528641 = 119340^2 + 435871^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204225564241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204225564241.

It is not an unprimeable number, because it can be changed into a prime (204225564251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1707391 + ... + 1823083.

It is an arithmetic number, because the mean of its divisors is an integer number (25578728613).

Almost surely, 2^204225564241 is an apocalyptic number.

It is an amenable number.

204225564241 is a deficient number, since it is larger than the sum of its proper divisors (404264663).

204225564241 is a wasteful number, since it uses less digits than its factorization.

204225564241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119171.

The product of its (nonzero) digits is 153600, while the sum is 37.

The spelling of 204225564241 in words is "two hundred four billion, two hundred twenty-five million, five hundred sixty-four thousand, two hundred forty-one".