258435250 has 16 divisors (see below), whose sum is σ = 483791256. Its totient is φ = 103374000.

The previous prime is 258435227. The next prime is 258435253. The reversal of 258435250 is 52534852.

258435250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 136399041 + 122036209 = 11679^2 + 11047^2 .

It is not an unprimeable number, because it can be changed into a prime (258435253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516621 + ... + 517120.

Almost surely, 2^258435250 is an apocalyptic number.

258435250 is a deficient number, since it is larger than the sum of its proper divisors (225356006).

258435250 is a wasteful number, since it uses less digits than its factorization.

258435250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033758 (or 1033748 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 258435250 is about 16075.9214354885. The cubic root of 258435250 is about 636.9674650497.

The spelling of 258435250 in words is "two hundred fifty-eight million, four hundred thirty-five thousand, two hundred fifty".