258509068 has 12 divisors (see below), whose sum is σ = 454062112. Its totient is φ = 128777040.

The previous prime is 258509063. The next prime is 258509081. The reversal of 258509068 is 860905852.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (258509063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118155 + ... + 120322.

Almost surely, 2^258509068 is an apocalyptic number.

It is an amenable number.

258509068 is a deficient number, since it is larger than the sum of its proper divisors (195553044).

258509068 is a wasteful number, since it uses less digits than its factorization.

258509068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238752 (or 238750 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 258509068 is about 16078.2171897260. The cubic root of 258509068 is about 637.0281058849.

The spelling of 258509068 in words is "two hundred fifty-eight million, five hundred nine thousand, sixty-eight".