3256003 has 4 divisors (see below), whose sum is σ = 3331768. Its totient is φ = 3180240.

The previous prime is 3255991. The next prime is 3256021. The reversal of 3256003 is 3006523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3006523 = 13 ⋅231271.

It is a cyclic number.

It is not a de Polignac number, because 3256003 - 2⁵ = 3255971 is a prime.

It is a Duffinian number.

3256003 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3256093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37818 + ... + 37903.

It is an arithmetic number, because the mean of its divisors is an integer number (832942).

Almost surely, 2^3256003 is an apocalyptic number.

3256003 is a deficient number, since it is larger than the sum of its proper divisors (75765).

3256003 is an equidigital number, since it uses as much as digits as its factorization.

3256003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75764.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 3256003 is about 1804.4398022655. The cubic root of 3256003 is about 148.2159466293.

It can be divided in two parts, 325 and 6003, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 3256003 in words is "three million, two hundred fifty-six thousand, three".