259670479 has 4 divisors (see below), whose sum is σ = 264569976. Its totient is φ = 254770984.

The previous prime is 259670431. The next prime is 259670503. The reversal of 259670479 is 974076952.

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

It is a cyclic number.

It is not a de Polignac number, because 259670479 - 2¹⁵ = 259637711 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259670779) 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 3 ways as a sum of consecutive naturals, for example, 2449669 + ... + 2449774.

It is an arithmetic number, because the mean of its divisors is an integer number (66142494).

Almost surely, 2^259670479 is an apocalyptic number.

259670479 is a deficient number, since it is larger than the sum of its proper divisors (4899497).

259670479 is an equidigital number, since it uses as much as digits as its factorization.

259670479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4899496.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 259670479 is about 16114.2942445519. The cubic root of 259670479 is about 637.9806788173.

The spelling of 259670479 in words is "two hundred fifty-nine million, six hundred seventy thousand, four hundred seventy-nine".