255227791 has 16 divisors (see below), whose sum is σ = 314653248. Its totient is φ = 201600000.

The previous prime is 255227773. The next prime is 255227801. The reversal of 255227791 is 197722552.

It is not a de Polignac number, because 255227791 - 2⁵ = 255227759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255227771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61791 + ... + 65791.

It is an arithmetic number, because the mean of its divisors is an integer number (19665828).

Almost surely, 2^255227791 is an apocalyptic number.

255227791 is a deficient number, since it is larger than the sum of its proper divisors (59425457).

255227791 is a wasteful number, since it uses less digits than its factorization.

255227791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722.

The product of its digits is 88200, while the sum is 40.

The square root of 255227791 is about 15975.8502434143. The cubic root of 255227791 is about 634.3213374686.

The spelling of 255227791 in words is "two hundred fifty-five million, two hundred twenty-seven thousand, seven hundred ninety-one".