10256943 has 4 divisors (see below), whose sum is σ = 13675928. Its totient is φ = 6837960.

The previous prime is 10256861. The next prime is 10256947. The reversal of 10256943 is 34965201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34965201 = 3 ⋅11655067.

It is not a de Polignac number, because 10256943 - 2¹³ = 10248751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10256943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10256947) 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, 1709488 + ... + 1709493.

It is an arithmetic number, because the mean of its divisors is an integer number (3418982).

Almost surely, 2^10256943 is an apocalyptic number.

10256943 is a deficient number, since it is larger than the sum of its proper divisors (3418985).

10256943 is an equidigital number, since it uses as much as digits as its factorization.

10256943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418984.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 10256943 is about 3202.6462495880. The cubic root of 10256943 is about 217.2731099419.

The spelling of 10256943 in words is "ten million, two hundred fifty-six thousand, nine hundred forty-three".