775255 has 8 divisors (see below), whose sum is σ = 1001952. Its totient is φ = 572448.

The previous prime is 775241. The next prime is 775259. The reversal of 775255 is 552577.

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 775255 - 2¹¹ = 773207 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 (775259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5899 + ... + 6028.

It is an arithmetic number, because the mean of its divisors is an integer number (125244).

2⁷⁷⁵²⁵⁵ is an apocalyptic number.

775255 is a deficient number, since it is larger than the sum of its proper divisors (226697).

775255 is a wasteful number, since it uses less digits than its factorization.

775255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11945.

The product of its digits is 12250, while the sum is 31.

The square root of 775255 is about 880.4856614392. The cubic root of 775255 is about 91.8646007635.

The spelling of 775255 in words is "seven hundred seventy-five thousand, two hundred fifty-five".