256241203 has 2 divisors, whose sum is σ = 256241204. Its totient is φ = 256241202.

The previous prime is 256241197. The next prime is 256241213. The reversal of 256241203 is 302142652.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256241203 is a prime.

It is a super-2 number, since 2×256241203² = 131319108229774418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (256241213) 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, 128120601 + 128120602.

It is an arithmetic number, because the mean of its divisors is an integer number (128120602).

Almost surely, 2^256241203 is an apocalyptic number.

256241203 is a deficient number, since it is larger than the sum of its proper divisors (1).

256241203 is an equidigital number, since it uses as much as digits as its factorization.

256241203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 256241203 is about 16007.5358191072. The cubic root of 256241203 is about 635.1597779265.

Adding to 256241203 its reverse (302142652), we get a palindrome (558383855).

The spelling of 256241203 in words is "two hundred fifty-six million, two hundred forty-one thousand, two hundred three".