4258 = 2 x 2129.
4258 has a representation as a sum of two squares: 4258 = 172 + 632.
4258 is a divisor of 2319 - 1.
4258 is the sum of the digits of the 18th Mersenne prime.
4528 Berg is an asteroid discovered in 1983 and named after Austrian composer Alban Berg.
