259678255 has 4 divisors (see below), whose sum is σ = 311613912. Its totient is φ = 207742600.

The previous prime is 259678249. The next prime is 259678361. The reversal of 259678255 is 552876952.

It is a happy number.

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

It is not a de Polignac number, because 259678255 - 2¹⁵ = 259645487 is a prime.

It is a super-2 number, since 2×259678255² = 134865592239690050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 259678199 and 259678208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25967821 + ... + 25967830.

It is an arithmetic number, because the mean of its divisors is an integer number (77903478).

Almost surely, 2^259678255 is an apocalyptic number.

259678255 is a deficient number, since it is larger than the sum of its proper divisors (51935657).

259678255 is an equidigital number, since it uses as much as digits as its factorization.

259678255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51935656.

The product of its digits is 1512000, while the sum is 49.

The square root of 259678255 is about 16114.5355192137. The cubic root of 259678255 is about 637.9870470014.

The spelling of 259678255 in words is "two hundred fifty-nine million, six hundred seventy-eight thousand, two hundred fifty-five".