255226775 has 6 divisors (see below), whose sum is σ = 316481232. Its totient is φ = 204181400.

The previous prime is 255226771. The next prime is 255226781. The reversal of 255226775 is 577622552.

It is not a de Polignac number, because 255226775 - 2² = 255226771 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 (255226771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5104511 + ... + 5104560.

It is an arithmetic number, because the mean of its divisors is an integer number (52746872).

Almost surely, 2^255226775 is an apocalyptic number.

255226775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255226775 is a deficient number, since it is larger than the sum of its proper divisors (61254457).

255226775 is a wasteful number, since it uses less digits than its factorization.

255226775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10209081 (or 10209076 counting only the distinct ones).

The product of its digits is 294000, while the sum is 41.

The square root of 255226775 is about 15975.8184453880. The cubic root of 255226775 is about 634.3204957743.

The spelling of 255226775 in words is "two hundred fifty-five million, two hundred twenty-six thousand, seven hundred seventy-five".