259681093 has 8 divisors (see below), whose sum is σ = 297302720. Its totient is φ = 222190560.

The previous prime is 259681043. The next prime is 259681127. The reversal of 259681093 is 390186952.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 259681093 - 2¹³ = 259672901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259681013) 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 7 ways as a sum of consecutive naturals, for example, 28488 + ... + 36481.

It is an arithmetic number, because the mean of its divisors is an integer number (37162840).

Almost surely, 2^259681093 is an apocalyptic number.

It is an amenable number.

259681093 is a deficient number, since it is larger than the sum of its proper divisors (37621627).

259681093 is an equidigital number, since it uses as much as digits as its factorization.

259681093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65547.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 259681093 is about 16114.6235761187. The cubic root of 259681093 is about 637.9893711603.

The spelling of 259681093 in words is "two hundred fifty-nine million, six hundred eighty-one thousand, ninety-three".