256241107 has 2 divisors, whose sum is σ = 256241108. Its totient is φ = 256241106.

The previous prime is 256241077. The next prime is 256241147. The reversal of 256241107 is 701142652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256241107 - 2⁷ = 256240979 is a prime.

It is not a weakly prime, because it can be changed into another prime (256241147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128120553 + 128120554.

It is an arithmetic number, because the mean of its divisors is an integer number (128120554).

Almost surely, 2^256241107 is an apocalyptic number.

256241107 is a deficient number, since it is larger than the sum of its proper divisors (1).

256241107 is an equidigital number, since it uses as much as digits as its factorization.

256241107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 256241107 is about 16007.5328205192. The cubic root of 256241107 is about 635.1596986062.

Adding to 256241107 its reverse (701142652), we get a palindrome (957383759).

The spelling of 256241107 in words is "two hundred fifty-six million, two hundred forty-one thousand, one hundred seven".