204265245 has 16 divisors (see below), whose sum is σ = 331704000. Its totient is φ = 107314944.

The previous prime is 204265189. The next prime is 204265249. The reversal of 204265245 is 542562402.

It is a happy number.

It is not a de Polignac number, because 204265245 - 2¹⁷ = 204134173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204265249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100620 + ... + 102629.

It is an arithmetic number, because the mean of its divisors is an integer number (20731500).

Almost surely, 2^204265245 is an apocalyptic number.

It is an amenable number.

204265245 is a deficient number, since it is larger than the sum of its proper divisors (127438755).

204265245 is a wasteful number, since it uses less digits than its factorization.

204265245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203324.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 204265245 is about 14292.1392730410. The cubic root of 204265245 is about 588.9315576390.

The spelling of 204265245 in words is "two hundred four million, two hundred sixty-five thousand, two hundred forty-five".