256832383 has 2 divisors, whose sum is σ = 256832384. Its totient is φ = 256832382.

The previous prime is 256832357. The next prime is 256832419. The reversal of 256832383 is 383238652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256832383 - 2¹⁷ = 256701311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256832183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128416191 + 128416192.

It is an arithmetic number, because the mean of its divisors is an integer number (128416192).

Almost surely, 2^256832383 is an apocalyptic number.

256832383 is a deficient number, since it is larger than the sum of its proper divisors (1).

256832383 is an equidigital number, since it uses as much as digits as its factorization.

256832383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 40.

The square root of 256832383 is about 16025.9908586022. The cubic root of 256832383 is about 635.6478666915.

The spelling of 256832383 in words is "two hundred fifty-six million, eight hundred thirty-two thousand, three hundred eighty-three".