259603055 has 4 divisors (see below), whose sum is σ = 311523672. Its totient is φ = 207682440.

The previous prime is 259603049. The next prime is 259603109. The reversal of 259603055 is 550306952.

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

It is not a de Polignac number, because 259603055 - 2⁶ = 259602991 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 25960301 + ... + 25960310.

It is an arithmetic number, because the mean of its divisors is an integer number (77880918).

Almost surely, 2^259603055 is an apocalyptic number.

259603055 is a deficient number, since it is larger than the sum of its proper divisors (51920617).

259603055 is an equidigital number, since it uses as much as digits as its factorization.

259603055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51920616.

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 259603055 is about 16112.2020531025. The cubic root of 259603055 is about 637.9254563510.

The spelling of 259603055 in words is "two hundred fifty-nine million, six hundred three thousand, fifty-five".