256522233534233 has 8 divisors (see below), whose sum is σ = 256537430048520. Its totient is φ = 256507037539200.

The previous prime is 256522233534221. The next prime is 256522233534251. The reversal of 256522233534233 is 332435332225652.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1518127087129 + 255004106447104 = 1232123^2 + 15968848^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 256522233534233 - 2⁸ = 256522233533977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256522233533233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1386746573 + ... + 1386931541.

It is an arithmetic number, because the mean of its divisors is an integer number (32067178756065).

Almost surely, 2^{256522233534233} is an apocalyptic number.

It is an amenable number.

256522233534233 is a deficient number, since it is larger than the sum of its proper divisors (15196514287).

256522233534233 is a wasteful number, since it uses less digits than its factorization.

256522233534233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259627.

The product of its digits is 23328000, while the sum is 50.

Adding to 256522233534233 its reverse (332435332225652), we get a palindrome (588957565759885).

The spelling of 256522233534233 in words is "two hundred fifty-six trillion, five hundred twenty-two billion, two hundred thirty-three million, five hundred thirty-four thousand, two hundred thirty-three".