255719 has 8 divisors (see below), whose sum is σ = 269952. Its totient is φ = 241920.

The previous prime is 255713. The next prime is 255733. The reversal of 255719 is 917552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255719 - 2¹² = 251623 is a prime.

It is a super-2 number, since 2×255719² = 130784413922, 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 = 255691 and 255700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207 + ... + 2319.

It is an arithmetic number, because the mean of its divisors is an integer number (33744).

2²⁵⁵⁷¹⁹ is an apocalyptic number.

255719 is a deficient number, since it is larger than the sum of its proper divisors (14233).

255719 is a wasteful number, since it uses less digits than its factorization.

255719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217.

The product of its digits is 3150, while the sum is 29.

The square root of 255719 is about 505.6866618767. The cubic root of 255719 is about 63.4728012974.

The spelling of 255719 in words is "two hundred fifty-five thousand, seven hundred nineteen".