256350113 has 2 divisors, whose sum is σ = 256350114. Its totient is φ = 256350112.

The previous prime is 256349981. The next prime is 256350151. The reversal of 256350113 is 311053652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188567824 + 67782289 = 13732^2 + 8233^2 .

It is a cyclic number.

It is not a de Polignac number, because 256350113 - 2¹⁶ = 256284577 is a prime.

It is a super-2 number, since 2×256350113² = 131430760870225538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (256310113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128175056 + 128175057.

It is an arithmetic number, because the mean of its divisors is an integer number (128175057).

Almost surely, 2^256350113 is an apocalyptic number.

It is an amenable number.

256350113 is a deficient number, since it is larger than the sum of its proper divisors (1).

256350113 is an equidigital number, since it uses as much as digits as its factorization.

256350113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 256350113 is about 16010.9372929882. The cubic root of 256350113 is about 635.2497523365.

The spelling of 256350113 in words is "two hundred fifty-six million, three hundred fifty thousand, one hundred thirteen".