256002233 has 2 divisors, whose sum is σ = 256002234. Its totient is φ = 256002232.

The previous prime is 256002217. The next prime is 256002283. The reversal of 256002233 is 332200652.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232654009 + 23348224 = 15253^2 + 4832^2 .

It is a cyclic number.

It is not a de Polignac number, because 256002233 - 2⁴ = 256002217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256002199 and 256002208.

It is not a weakly prime, because it can be changed into another prime (256002203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128001116 + 128001117.

It is an arithmetic number, because the mean of its divisors is an integer number (128001117).

Almost surely, 2^256002233 is an apocalyptic number.

It is an amenable number.

256002233 is a deficient number, since it is larger than the sum of its proper divisors (1).

256002233 is an equidigital number, since it uses as much as digits as its factorization.

256002233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 256002233 is about 16000.0697810978. The cubic root of 256002233 is about 634.9622669624.

Adding to 256002233 its reverse (332200652), we get a palindrome (588202885).

The spelling of 256002233 in words is "two hundred fifty-six million, two thousand, two hundred thirty-three".