255217627 has 6 divisors (see below), whose sum is σ = 296885868. Its totient is φ = 218757924.

The previous prime is 255217609. The next prime is 255217639. The reversal of 255217627 is 726712552.

It is not a de Polignac number, because 255217627 - 2¹⁹ = 254693339 is a prime.

It is a super-2 number, since 2×255217627² = 130272074263022258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255217687) 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 5 ways as a sum of consecutive naturals, for example, 2604213 + ... + 2604310.

It is an arithmetic number, because the mean of its divisors is an integer number (49480978).

Almost surely, 2^255217627 is an apocalyptic number.

255217627 is a deficient number, since it is larger than the sum of its proper divisors (41668241).

255217627 is an equidigital number, since it uses as much as digits as its factorization.

255217627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5208537 (or 5208530 counting only the distinct ones).

The product of its digits is 58800, while the sum is 37.

The square root of 255217627 is about 15975.5321351121. The cubic root of 255217627 is about 634.3129171112.

The spelling of 255217627 in words is "two hundred fifty-five million, two hundred seventeen thousand, six hundred twenty-seven".