204868265 has 24 divisors (see below), whose sum is σ = 286623360. Its totient is φ = 140165088.

The previous prime is 204868249. The next prime is 204868273. The reversal of 204868265 is 562868402.

It is not a de Polignac number, because 204868265 - 2⁴ = 204868249 is a prime.

It is a super-2 number, since 2×204868265² = 83942012008220450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175574 + ... + 176736.

It is an arithmetic number, because the mean of its divisors is an integer number (11942640).

Almost surely, 2^204868265 is an apocalyptic number.

It is an amenable number.

204868265 is a deficient number, since it is larger than the sum of its proper divisors (81755095).

204868265 is a wasteful number, since it uses less digits than its factorization.

204868265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 204868265 is about 14313.2199382249. The cubic root of 204868265 is about 589.5105248014.

The spelling of 204868265 in words is "two hundred four million, eight hundred sixty-eight thousand, two hundred sixty-five".