257058563 has 2 divisors, whose sum is σ = 257058564. Its totient is φ = 257058562.

The previous prime is 257058551. The next prime is 257058583. The reversal of 257058563 is 365850752.

257058563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 257058563 - 2¹⁶ = 256993027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 257058563.

It is not a weakly prime, because it can be changed into another prime (257058583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128529281 + 128529282.

It is an arithmetic number, because the mean of its divisors is an integer number (128529282).

Almost surely, 2^257058563 is an apocalyptic number.

257058563 is a deficient number, since it is larger than the sum of its proper divisors (1).

257058563 is an equidigital number, since it uses as much as digits as its factorization.

257058563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 257058563 is about 16033.0459676257. The cubic root of 257058563 is about 635.8344068380.

The spelling of 257058563 in words is "two hundred fifty-seven million, fifty-eight thousand, five hundred sixty-three".