256355119 has 2 divisors, whose sum is σ = 256355120. Its totient is φ = 256355118.

The previous prime is 256355101. The next prime is 256355147. The reversal of 256355119 is 911553652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256355119 - 2⁷ = 256354991 is a prime.

It is a super-2 number, since 2×256355119² = 131435894075008322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256355149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128177559 + 128177560.

It is an arithmetic number, because the mean of its divisors is an integer number (128177560).

Almost surely, 2^256355119 is an apocalyptic number.

256355119 is a deficient number, since it is larger than the sum of its proper divisors (1).

256355119 is an equidigital number, since it uses as much as digits as its factorization.

256355119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 37.

The square root of 256355119 is about 16011.0936228604. The cubic root of 256355119 is about 635.2538873579.

The spelling of 256355119 in words is "two hundred fifty-six million, three hundred fifty-five thousand, one hundred nineteen".