257830830583 has 2 divisors, whose sum is σ = 257830830584. Its totient is φ = 257830830582.

The previous prime is 257830830581. The next prime is 257830830619. The reversal of 257830830583 is 385038038752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 257830830583 - 2¹ = 257830830581 is a prime.

Together with 257830830581, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 257830830583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (257830830581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128915415291 + 128915415292.

It is an arithmetic number, because the mean of its divisors is an integer number (128915415292).

Almost surely, 2^257830830583 is an apocalyptic number.

257830830583 is a deficient number, since it is larger than the sum of its proper divisors (1).

257830830583 is an equidigital number, since it uses as much as digits as its factorization.

257830830583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 257830830583 in words is "two hundred fifty-seven billion, eight hundred thirty million, eight hundred thirty thousand, five hundred eighty-three".