655461559 has 2 divisors, whose sum is σ = 655461560. Its totient is φ = 655461558.

The previous prime is 655461557. The next prime is 655461637. The reversal of 655461559 is 955164556.

655461559 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 is a cyclic number.

It is not a de Polignac number, because 655461559 - 2¹ = 655461557 is a prime.

Together with 655461557, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655461557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327730779 + 327730780.

It is an arithmetic number, because the mean of its divisors is an integer number (327730780).

Almost surely, 2^655461559 is an apocalyptic number.

655461559 is a deficient number, since it is larger than the sum of its proper divisors (1).

655461559 is an equidigital number, since it uses as much as digits as its factorization.

655461559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810000, while the sum is 46.

The square root of 655461559 is about 25601.9834973777. The cubic root of 655461559 is about 868.6585037329.

The spelling of 655461559 in words is "six hundred fifty-five million, four hundred sixty-one thousand, five hundred fifty-nine".