255105085 has 12 divisors (see below), whose sum is σ = 311423868. Its totient is φ = 200611328.

The previous prime is 255105073. The next prime is 255105101. The reversal of 255105085 is 580501552.

It can be written as a sum of positive squares in 2 ways, for example, as 197177764 + 57927321 = 14042^2 + 7611^2 .

It is not a de Polignac number, because 255105085 - 2⁷ = 255104957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10077 + ... + 24733.

It is an arithmetic number, because the mean of its divisors is an integer number (25951989).

Almost surely, 2^255105085 is an apocalyptic number.

It is an amenable number.

255105085 is a deficient number, since it is larger than the sum of its proper divisors (56318783).

255105085 is an equidigital number, since it uses as much as digits as its factorization.

255105085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14780 (or 14721 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

The square root of 255105085 is about 15972.0094227370. The cubic root of 255105085 is about 634.2196668385.

The spelling of 255105085 in words is "two hundred fifty-five million, one hundred five thousand, eighty-five".