655323065 has 8 divisors (see below), whose sum is σ = 786724488. Its totient is φ = 524033920.

The previous prime is 655323059. The next prime is 655323077. The reversal of 655323065 is 560323556.

It can be written as a sum of positive squares in 4 ways, for example, as 3644281 + 651678784 = 1909^2 + 25528^2 .

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

It is not a de Polignac number, because 655323065 - 2⁸ = 655322809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14642 + ... + 39051.

It is an arithmetic number, because the mean of its divisors is an integer number (98340561).

Almost surely, 2^655323065 is an apocalyptic number.

It is an amenable number.

655323065 is a deficient number, since it is larger than the sum of its proper divisors (131401423).

655323065 is a wasteful number, since it uses less digits than its factorization.

655323065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56139.

The product of its (nonzero) digits is 81000, while the sum is 35.

The square root of 655323065 is about 25599.2786031169. The cubic root of 655323065 is about 868.5973191303.

The spelling of 655323065 in words is "six hundred fifty-five million, three hundred twenty-three thousand, sixty-five".