259259259 has 16 divisors (see below), whose sum is σ = 405740288. Its totient is φ = 144143712.

The previous prime is 259259257. The next prime is 259259261. The reversal of 259259259 is 952952952.

It is an interprime number because it is at equal distance from previous prime (259259257) and next prime (259259261).

It is not a de Polignac number, because 259259259 - 2¹ = 259259257 is a prime.

It is a Smith number, since the sum of its digits (48) 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.

259259259 is a modest number, since divided by 259259 gives 259 as remainder.

It is not an unprimeable number, because it can be changed into a prime (259259251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166057 + ... + 167610.

It is an arithmetic number, because the mean of its divisors is an integer number (25358768).

Almost surely, 2^259259259 is an apocalyptic number.

259259259 is a deficient number, since it is larger than the sum of its proper divisors (146481029).

259259259 is a wasteful number, since it uses less digits than its factorization.

259259259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333714.

The product of its digits is 729000, while the sum is 48.

The square root of 259259259 is about 16101.5297099375. The cubic root of 259259259 is about 637.6437273782.

The spelling of 259259259 in words is "two hundred fifty-nine million, two hundred fifty-nine thousand, two hundred fifty-nine".