255319671 has 4 divisors (see below), whose sum is σ = 340426232. Its totient is φ = 170213112.

The previous prime is 255319643. The next prime is 255319679. The reversal of 255319671 is 176913552.

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

It is not a de Polignac number, because 255319671 - 2⁶ = 255319607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255319679) 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, 42553276 + ... + 42553281.

It is an arithmetic number, because the mean of its divisors is an integer number (85106558).

Almost surely, 2^255319671 is an apocalyptic number.

255319671 is a deficient number, since it is larger than the sum of its proper divisors (85106561).

255319671 is an equidigital number, since it uses as much as digits as its factorization.

255319671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85106560.

The product of its digits is 56700, while the sum is 39.

The square root of 255319671 is about 15978.7255749637. The cubic root of 255319671 is about 634.3974452362.

The spelling of 255319671 in words is "two hundred fifty-five million, three hundred nineteen thousand, six hundred seventy-one".