233256325657 has 2 divisors, whose sum is σ = 233256325658. Its totient is φ = 233256325656.

The previous prime is 233256325639. The next prime is 233256325669. The reversal of 233256325657 is 756523652332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116851850896 + 116404474761 = 341836^2 + 341181^2 .

It is a cyclic number.

It is not a de Polignac number, because 233256325657 - 2¹⁹ = 233255801369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233256325657.

It is not a weakly prime, because it can be changed into another prime (233256325957) 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 as a sum of consecutive naturals, namely, 116628162828 + 116628162829.

It is an arithmetic number, because the mean of its divisors is an integer number (116628162829).

Almost surely, 2^233256325657 is an apocalyptic number.

It is an amenable number.

233256325657 is a deficient number, since it is larger than the sum of its proper divisors (1).

233256325657 is an equidigital number, since it uses as much as digits as its factorization.

233256325657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804000, while the sum is 49.

Adding to 233256325657 its reverse (756523652332), we get a palindrome (989779977989).

The spelling of 233256325657 in words is "two hundred thirty-three billion, two hundred fifty-six million, three hundred twenty-five thousand, six hundred fifty-seven".