255835971 has 12 divisors (see below), whose sum is σ = 372932560. Its totient is φ = 168991920.

The previous prime is 255835919. The next prime is 255835973. The reversal of 255835971 is 179538552.

255835971 is a `hidden beast` number, since 2 + 5 + 58 + 3 + 597 + 1 = 666.

It is not a de Polignac number, because 255835971 - 2⁷ = 255835843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255835973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129415 + ... + 131376.

Almost surely, 2^255835971 is an apocalyptic number.

255835971 is a deficient number, since it is larger than the sum of its proper divisors (117096589).

255835971 is a wasteful number, since it uses less digits than its factorization.

255835971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260906 (or 260903 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The square root of 255835971 is about 15994.8732723958. The cubic root of 255835971 is about 634.8247773296.

The spelling of 255835971 in words is "two hundred fifty-five million, eight hundred thirty-five thousand, nine hundred seventy-one".