256038103 has 2 divisors, whose sum is σ = 256038104. Its totient is φ = 256038102.

The previous prime is 256038089. The next prime is 256038149. The reversal of 256038103 is 301830652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256038103 - 2⁹ = 256037591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256038203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128019051 + 128019052.

It is an arithmetic number, because the mean of its divisors is an integer number (128019052).

Almost surely, 2^256038103 is an apocalyptic number.

256038103 is a deficient number, since it is larger than the sum of its proper divisors (1).

256038103 is an equidigital number, since it uses as much as digits as its factorization.

256038103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 256038103 is about 16001.1906744467. The cubic root of 256038103 is about 634.9919216944.

Adding to 256038103 its reverse (301830652), we get a palindrome (557868755).

The spelling of 256038103 in words is "two hundred fifty-six million, thirty-eight thousand, one hundred three".