259434259 has 4 divisors (see below), whose sum is σ = 296496304. Its totient is φ = 222372216.

The previous prime is 259434211. The next prime is 259434283. The reversal of 259434259 is 952434952.

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 259434259 - 2⁹ = 259433747 is a prime.

It is a super-2 number, since 2×259434259² = 134612269485758162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259434209) 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, 18531012 + ... + 18531025.

It is an arithmetic number, because the mean of its divisors is an integer number (74124076).

Almost surely, 2^259434259 is an apocalyptic number.

259434259 is a deficient number, since it is larger than the sum of its proper divisors (37062045).

259434259 is an equidigital number, since it uses as much as digits as its factorization.

259434259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37062044.

The product of its digits is 388800, while the sum is 43.

The square root of 259434259 is about 16106.9630594970. The cubic root of 259434259 is about 637.7871649484.

The spelling of 259434259 in words is "two hundred fifty-nine million, four hundred thirty-four thousand, two hundred fifty-nine".