257230052593 has 2 divisors, whose sum is σ = 257230052594. Its totient is φ = 257230052592.

The previous prime is 257230052533. The next prime is 257230052617. The reversal of 257230052593 is 395250032752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244265269824 + 12964782769 = 494232^2 + 113863^2 .

It is a cyclic number.

It is not a de Polignac number, because 257230052593 - 2⁹ = 257230052081 is a prime.

It is not a weakly prime, because it can be changed into another prime (257230052533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128615026296 + 128615026297.

It is an arithmetic number, because the mean of its divisors is an integer number (128615026297).

Almost surely, 2^257230052593 is an apocalyptic number.

It is an amenable number.

257230052593 is a deficient number, since it is larger than the sum of its proper divisors (1).

257230052593 is an equidigital number, since it uses as much as digits as its factorization.

257230052593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567000, while the sum is 43.

The spelling of 257230052593 in words is "two hundred fifty-seven billion, two hundred thirty million, fifty-two thousand, five hundred ninety-three".