10255985 has 8 divisors (see below), whose sum is σ = 12341160. Its totient is φ = 8182144.

The previous prime is 10255963. The next prime is 10256039. The reversal of 10255985 is 58955201.

It can be written as a sum of positive squares in 4 ways, for example, as 327184 + 9928801 = 572^2 + 3151^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10255985 - 2¹² = 10251889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692 + ... + 4581.

It is an arithmetic number, because the mean of its divisors is an integer number (1542645).

Almost surely, 2^10255985 is an apocalyptic number.

It is an amenable number.

10255985 is a deficient number, since it is larger than the sum of its proper divisors (2085175).

10255985 is an equidigital number, since it uses as much as digits as its factorization.

10255985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667.

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 10255985 is about 3202.4966822778. The cubic root of 10255985 is about 217.2663452844.

The spelling of 10255985 in words is "ten million, two hundred fifty-five thousand, nine hundred eighty-five".