205465265 has 8 divisors (see below), whose sum is σ = 246883560. Its totient is φ = 164155392.

The previous prime is 205465237. The next prime is 205465283. The reversal of 205465265 is 562564502.

It can be written as a sum of positive squares in 4 ways, for example, as 22052416 + 183412849 = 4696^2 + 13543^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 205465265 - 2²⁰ = 204416689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22874 + ... + 30563.

It is an arithmetic number, because the mean of its divisors is an integer number (30860445).

Almost surely, 2^205465265 is an apocalyptic number.

It is an amenable number.

205465265 is a deficient number, since it is larger than the sum of its proper divisors (41418295).

205465265 is an equidigital number, since it uses as much as digits as its factorization.

205465265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54211.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 205465265 is about 14334.0596133824. The cubic root of 205465265 is about 590.0825940102.

The spelling of 205465265 in words is "two hundred five million, four hundred sixty-five thousand, two hundred sixty-five".