259013009 has 4 divisors (see below), whose sum is σ = 263403120. Its totient is φ = 254622900.

The previous prime is 259012993. The next prime is 259013033. The reversal of 259013009 is 900310952.

259013009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 259013009 - 2⁴ = 259012993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259013059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2194967 + ... + 2195084.

It is an arithmetic number, because the mean of its divisors is an integer number (65850780).

Almost surely, 2^259013009 is an apocalyptic number.

It is an amenable number.

259013009 is a deficient number, since it is larger than the sum of its proper divisors (4390111).

259013009 is an equidigital number, since it uses as much as digits as its factorization.

259013009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4390110.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 259013009 is about 16093.8811043204. The cubic root of 259013009 is about 637.4417808682.

The spelling of 259013009 in words is "two hundred fifty-nine million, thirteen thousand, nine".