255671775 has 48 divisors (see below), whose sum is σ = 479731200. Its totient is φ = 133440480.

The previous prime is 255671753. The next prime is 255671807. The reversal of 255671775 is 577176552.

It is a happy number.

255671775 is a `hidden beast` number, since 2 + 5 + 567 + 17 + 75 = 666.

It is not a de Polignac number, because 255671775 - 2⁶ = 255671711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 255671775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27696 + ... + 35754.

It is an arithmetic number, because the mean of its divisors is an integer number (9994400).

Almost surely, 2^255671775 is an apocalyptic number.

255671775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255671775 is a deficient number, since it is larger than the sum of its proper divisors (224059425).

255671775 is a wasteful number, since it uses less digits than its factorization.

255671775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8125 (or 8114 counting only the distinct ones).

The product of its digits is 514500, while the sum is 45.

The square root of 255671775 is about 15989.7396789316. The cubic root of 255671775 is about 634.6889376922.

The spelling of 255671775 in words is "two hundred fifty-five million, six hundred seventy-one thousand, seven hundred seventy-five".