255761105 has 8 divisors (see below), whose sum is σ = 311945064. Its totient is φ = 201254400.

The previous prime is 255761101. The next prime is 255761117. The reversal of 255761105 is 501167552.

It can be written as a sum of positive squares in 4 ways, for example, as 12931216 + 242829889 = 3596^2 + 15583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255761105 - 2² = 255761101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255761101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418976 + ... + 419585.

It is an arithmetic number, because the mean of its divisors is an integer number (38993133).

Almost surely, 2^255761105 is an apocalyptic number.

It is an amenable number.

255761105 is a deficient number, since it is larger than the sum of its proper divisors (56183959).

255761105 is an equidigital number, since it uses as much as digits as its factorization.

255761105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838627.

The product of its (nonzero) digits is 10500, while the sum is 32.

The square root of 255761105 is about 15992.5327887736. The cubic root of 255761105 is about 634.7628477681.

The spelling of 255761105 in words is "two hundred fifty-five million, seven hundred sixty-one thousand, one hundred five".