255571671 has 16 divisors (see below), whose sum is σ = 352097280. Its totient is φ = 164804640.

The previous prime is 255571669. The next prime is 255571697. The reversal of 255571671 is 176175552.

It is not a de Polignac number, because 255571671 - 2¹ = 255571669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255571601) 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, 31 + ... + 22608.

It is an arithmetic number, because the mean of its divisors is an integer number (22006080).

Almost surely, 2^255571671 is an apocalyptic number.

255571671 is a deficient number, since it is larger than the sum of its proper divisors (96525609).

255571671 is a wasteful number, since it uses less digits than its factorization.

255571671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22766.

The product of its digits is 73500, while the sum is 39.

The square root of 255571671 is about 15986.6091151313. The cubic root of 255571671 is about 634.6060929390.

The spelling of 255571671 in words is "two hundred fifty-five million, five hundred seventy-one thousand, six hundred seventy-one".