10081256 has 8 divisors (see below), whose sum is σ = 18902370. Its totient is φ = 5040624.

The previous prime is 10081237. The next prime is 10081261. The reversal of 10081256 is 65218001.

It can be written as a sum of positive squares in only one way, i.e., 6584356 + 3496900 = 2566^2 + 1870^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630071 + ... + 630086.

Almost surely, 2^10081256 is an apocalyptic number.

It is an amenable number.

10081256 is a deficient number, since it is larger than the sum of its proper divisors (8821114).

10081256 is a wasteful number, since it uses less digits than its factorization.

10081256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260163 (or 1260159 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 10081256 is about 3175.0993685238. The cubic root of 10081256 is about 216.0254313906.

Adding to 10081256 its reverse (65218001), we get a palindrome (75299257).

The spelling of 10081256 in words is "ten million, eighty-one thousand, two hundred fifty-six".