655095289 has 4 divisors (see below), whose sum is σ = 693630324. Its totient is φ = 616560256.

The previous prime is 655095283. The next prime is 655095299. The reversal of 655095289 is 982590556.

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 268304400 + 386790889 = 16380^2 + 19667^2 .

It is a cyclic number.

It is not a de Polignac number, because 655095289 - 2⁵ = 655095257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655095283) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19267492 + ... + 19267525.

It is an arithmetic number, because the mean of its divisors is an integer number (173407581).

Almost surely, 2^655095289 is an apocalyptic number.

It is an amenable number.

655095289 is a deficient number, since it is larger than the sum of its proper divisors (38535035).

655095289 is a wasteful number, since it uses less digits than its factorization.

655095289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38535034.

The product of its (nonzero) digits is 972000, while the sum is 49.

The square root of 655095289 is about 25594.8293410993. The cubic root of 655095289 is about 868.4966723093.

The spelling of 655095289 in words is "six hundred fifty-five million, ninety-five thousand, two hundred eighty-nine".