655266265 has 4 divisors (see below), whose sum is σ = 786319524. Its totient is φ = 524213008.

The previous prime is 655266259. The next prime is 655266277. The reversal of 655266265 is 562662556.

655266265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114982729 + 540283536 = 10723^2 + 23244^2 .

It is a cyclic number.

It is not a de Polignac number, because 655266265 - 2³ = 655266257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65526622 + ... + 65526631.

It is an arithmetic number, because the mean of its divisors is an integer number (196579881).

Almost surely, 2^655266265 is an apocalyptic number.

It is an amenable number.

655266265 is a deficient number, since it is larger than the sum of its proper divisors (131053259).

655266265 is a wasteful number, since it uses less digits than its factorization.

655266265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131053258.

The product of its digits is 648000, while the sum is 43.

The square root of 655266265 is about 25598.1691728139. The cubic root of 655266265 is about 868.5722232370.

The spelling of 655266265 in words is "six hundred fifty-five million, two hundred sixty-six thousand, two hundred sixty-five".