257482283 has 2 divisors, whose sum is σ = 257482284. Its totient is φ = 257482282.

The previous prime is 257482279. The next prime is 257482327. The reversal of 257482283 is 382284752.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 257482283 - 2² = 257482279 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 257482283.

It is not a weakly prime, because it can be changed into another prime (257382283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128741141 + 128741142.

It is an arithmetic number, because the mean of its divisors is an integer number (128741142).

Almost surely, 2^257482283 is an apocalyptic number.

257482283 is a deficient number, since it is larger than the sum of its proper divisors (1).

257482283 is an equidigital number, since it uses as much as digits as its factorization.

257482283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 41.

The square root of 257482283 is about 16046.2544850816. The cubic root of 257482283 is about 636.1835722286.

The spelling of 257482283 in words is "two hundred fifty-seven million, four hundred eighty-two thousand, two hundred eighty-three".