3256236013 has 4 divisors (see below), whose sum is σ = 3256381440. Its totient is φ = 3256090588.

The previous prime is 3256236007. The next prime is 3256236043. The reversal of 3256236013 is 3106326523.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3106326523 = 107 ⋅29031089.

It is a cyclic number.

It is not a de Polignac number, because 3256236013 - 2¹⁷ = 3256104941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3256236043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31243 + ... + 86536.

It is an arithmetic number, because the mean of its divisors is an integer number (814095360).

Almost surely, 2^3256236013 is an apocalyptic number.

It is an amenable number.

3256236013 is a deficient number, since it is larger than the sum of its proper divisors (145427).

3256236013 is a wasteful number, since it uses less digits than its factorization.

3256236013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145426.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 3256236013 is about 57063.4384961159. The cubic root of 3256236013 is about 1482.1948219300.

The spelling of 3256236013 in words is "three billion, two hundred fifty-six million, two hundred thirty-six thousand, thirteen".