256512326 has 16 divisors (see below), whose sum is σ = 444091680. Its totient is φ = 108844800.

The previous prime is 256512301. The next prime is 256512341. The reversal of 256512326 is 623215652.

It is a junction number, because it is equal to n+sod(n) for n = 256512292 and 256512301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89291 + ... + 92118.

It is an arithmetic number, because the mean of its divisors is an integer number (27755730).

Almost surely, 2^256512326 is an apocalyptic number.

256512326 is a deficient number, since it is larger than the sum of its proper divisors (187579354).

256512326 is a wasteful number, since it uses less digits than its factorization.

256512326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181519.

The product of its digits is 21600, while the sum is 32.

The square root of 256512326 is about 16016.0021853145. The cubic root of 256512326 is about 635.3837150116.

Adding to 256512326 its reverse (623215652), we get a palindrome (879727978).

The spelling of 256512326 in words is "two hundred fifty-six million, five hundred twelve thousand, three hundred twenty-six".