10256603 has 4 divisors (see below), whose sum is σ = 11721840. Its totient is φ = 8791368.

The previous prime is 10256579. The next prime is 10256621. The reversal of 10256603 is 30665201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10256603 - 2⁶ = 10256539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10256663) 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, 732608 + ... + 732621.

It is an arithmetic number, because the mean of its divisors is an integer number (2930460).

Almost surely, 2^10256603 is an apocalyptic number.

10256603 is a deficient number, since it is larger than the sum of its proper divisors (1465237).

10256603 is an equidigital number, since it uses as much as digits as its factorization.

10256603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465236.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 10256603 is about 3202.5931680437. The cubic root of 10256603 is about 217.2707091722.

The spelling of 10256603 in words is "ten million, two hundred fifty-six thousand, six hundred three".