256200233 has 2 divisors, whose sum is σ = 256200234. Its totient is φ = 256200232.

The previous prime is 256200227. The next prime is 256200253. The reversal of 256200233 is 332002652.

It is a happy number.

256200233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253350889 + 2849344 = 15917^2 + 1688^2 .

It is a cyclic number.

It is not a de Polignac number, because 256200233 - 2⁶ = 256200169 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 256200199 and 256200208.

It is not a weakly prime, because it can be changed into another prime (256200253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128100116 + 128100117.

It is an arithmetic number, because the mean of its divisors is an integer number (128100117).

Almost surely, 2^256200233 is an apocalyptic number.

It is an amenable number.

256200233 is a deficient number, since it is larger than the sum of its proper divisors (1).

256200233 is an equidigital number, since it uses as much as digits as its factorization.

256200233 is an evil number, because the sum of its binary digits is even.

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

The square root of 256200233 is about 16006.2560581793. The cubic root of 256200233 is about 635.1259245586.

Adding to 256200233 its reverse (332002652), we get a palindrome (588202885).

The spelling of 256200233 in words is "two hundred fifty-six million, two hundred thousand, two hundred thirty-three".