259431601 has 16 divisors (see below), whose sum is σ = 305299008. Its totient is φ = 217339200.

The previous prime is 259431583. The next prime is 259431607. The reversal of 259431601 is 106134952.

It is not a de Polignac number, because 259431601 - 2⁵ = 259431569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259431607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114855 + ... + 117091.

It is an arithmetic number, because the mean of its divisors is an integer number (19081188).

Almost surely, 2^259431601 is an apocalyptic number.

It is an amenable number.

259431601 is a deficient number, since it is larger than the sum of its proper divisors (45867407).

259431601 is a wasteful number, since it uses less digits than its factorization.

259431601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 259431601 is about 16106.8805483868. The cubic root of 259431601 is about 637.7849868191.

The spelling of 259431601 in words is "two hundred fifty-nine million, four hundred thirty-one thousand, six hundred one".