3256531303603 has 4 divisors (see below), whose sum is σ = 3256534971000. Its totient is φ = 3256527636208.

The previous prime is 3256531303577. The next prime is 3256531303637. The reversal of 3256531303603 is 3063031356523.

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 a de Polignac number, because none of the positive numbers 2^k-3256531303603 is a prime.

It is a super-2 number, since 2×3256531303603² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3256531343603) 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, 428676 + ... + 2587822.

It is an arithmetic number, because the mean of its divisors is an integer number (814133742750).

Almost surely, 2^{3256531303603} is an apocalyptic number.

3256531303603 is a deficient number, since it is larger than the sum of its proper divisors (3667397).

3256531303603 is a wasteful number, since it uses less digits than its factorization.

3256531303603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667396.

The product of its (nonzero) digits is 437400, while the sum is 40.

The spelling of 3256531303603 in words is "three trillion, two hundred fifty-six billion, five hundred thirty-one million, three hundred three thousand, six hundred three".