257460283 has 2 divisors, whose sum is σ = 257460284. Its totient is φ = 257460282.

The previous prime is 257460253. The next prime is 257460299. The reversal of 257460283 is 382064752.

257460283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 257460283 - 2⁵ = 257460251 is a prime.

It is not a weakly prime, because it can be changed into another prime (257460233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128730141 + 128730142.

It is an arithmetic number, because the mean of its divisors is an integer number (128730142).

Almost surely, 2^257460283 is an apocalyptic number.

257460283 is a deficient number, since it is larger than the sum of its proper divisors (1).

257460283 is an equidigital number, since it uses as much as digits as its factorization.

257460283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 257460283 is about 16045.5689522061. The cubic root of 257460283 is about 636.1654526166.

The spelling of 257460283 in words is "two hundred fifty-seven million, four hundred sixty thousand, two hundred eighty-three".