3256633213 has 4 divisors (see below), whose sum is σ = 3368930940. Its totient is φ = 3144335488.

The previous prime is 3256633199. The next prime is 3256633223. The reversal of 3256633213 is 3123366523.

3256633213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1126072249 + 2130560964 = 33557^2 + 46158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3256633213 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 (3256633223) 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, 56148820 + ... + 56148877.

It is an arithmetic number, because the mean of its divisors is an integer number (842232735).

Almost surely, 2^3256633213 is an apocalyptic number.

It is an amenable number.

3256633213 is a deficient number, since it is larger than the sum of its proper divisors (112297727).

3256633213 is a wasteful number, since it uses less digits than its factorization.

3256633213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112297726.

The product of its digits is 58320, while the sum is 34.

The square root of 3256633213 is about 57066.9187270524. The cubic root of 3256633213 is about 1482.2550861784.

Adding to 3256633213 its reverse (3123366523), we get a palindrome (6379999736).

The spelling of 3256633213 in words is "three billion, two hundred fifty-six million, six hundred thirty-three thousand, two hundred thirteen".