255675881 has 2 divisors, whose sum is σ = 255675882. Its totient is φ = 255675880.

The previous prime is 255675853. The next prime is 255675923. The reversal of 255675881 is 188576552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148449856 + 107226025 = 12184^2 + 10355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255675881 is a prime.

It is a super-2 number, since 2×255675881² = 130740312250252322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255675821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127837940 + 127837941.

It is an arithmetic number, because the mean of its divisors is an integer number (127837941).

Almost surely, 2^255675881 is an apocalyptic number.

It is an amenable number.

255675881 is a deficient number, since it is larger than the sum of its proper divisors (1).

255675881 is an equidigital number, since it uses as much as digits as its factorization.

255675881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672000, while the sum is 47.

The square root of 255675881 is about 15989.8680732519. The cubic root of 255675881 is about 634.6923353020.

The spelling of 255675881 in words is "two hundred fifty-five million, six hundred seventy-five thousand, eight hundred eighty-one".