256192043 has 2 divisors, whose sum is σ = 256192044. Its totient is φ = 256192042.

The previous prime is 256192031. The next prime is 256192051. The reversal of 256192043 is 340291652.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 256192043 - 2⁸ = 256191787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (256102043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128096021 + 128096022.

It is an arithmetic number, because the mean of its divisors is an integer number (128096022).

Almost surely, 2^256192043 is an apocalyptic number.

256192043 is a deficient number, since it is larger than the sum of its proper divisors (1).

256192043 is an equidigital number, since it uses as much as digits as its factorization.

256192043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 256192043 is about 16006.0002186680. Note that the first 3 decimals coincide. The cubic root of 256192043 is about 635.1191567574.

The spelling of 256192043 in words is "two hundred fifty-six million, one hundred ninety-two thousand, forty-three".