655503089 has 2 divisors, whose sum is σ = 655503090. Its totient is φ = 655503088.

The previous prime is 655503019. The next prime is 655503179. The reversal of 655503089 is 980305556.

655503089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 601230400 + 54272689 = 24520^2 + 7367^2 .

It is a cyclic number.

It is not a de Polignac number, because 655503089 - 2²⁸ = 387067633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (655503019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327751544 + 327751545.

It is an arithmetic number, because the mean of its divisors is an integer number (327751545).

Almost surely, 2^655503089 is an apocalyptic number.

It is an amenable number.

655503089 is a deficient number, since it is larger than the sum of its proper divisors (1).

655503089 is an equidigital number, since it uses as much as digits as its factorization.

655503089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 655503089 is about 25602.7945545013. The cubic root of 655503089 is about 868.6768493934.

The spelling of 655503089 in words is "six hundred fifty-five million, five hundred three thousand, eighty-nine".