10256867 has 4 divisors (see below), whose sum is σ = 10266696. Its totient is φ = 10247040.

The previous prime is 10256861. The next prime is 10256947. The reversal of 10256867 is 76865201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10256867 - 2²⁰ = 9208291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10256861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3134 + ... + 5507.

It is an arithmetic number, because the mean of its divisors is an integer number (2566674).

Almost surely, 2^10256867 is an apocalyptic number.

10256867 is a deficient number, since it is larger than the sum of its proper divisors (9829).

10256867 is an equidigital number, since it uses as much as digits as its factorization.

10256867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9828.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 10256867 is about 3202.6343843780. The cubic root of 10256867 is about 217.2725733039.

The spelling of 10256867 in words is "ten million, two hundred fifty-six thousand, eight hundred sixty-seven".