258659242 has 16 divisors (see below), whose sum is σ = 414735552. Its totient is φ = 120688480.

The previous prime is 258659237. The next prime is 258659243. The reversal of 258659242 is 242956852.

It is not an unprimeable number, because it can be changed into a prime (258659243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66688 + ... + 70459.

It is an arithmetic number, because the mean of its divisors is an integer number (25920972).

Almost surely, 2^258659242 is an apocalyptic number.

258659242 is a deficient number, since it is larger than the sum of its proper divisors (156076310).

258659242 is a wasteful number, since it uses less digits than its factorization.

258659242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137213.

The product of its digits is 345600, while the sum is 43.

The square root of 258659242 is about 16082.8866190121. The cubic root of 258659242 is about 637.1514368777.

The spelling of 258659242 in words is "two hundred fifty-eight million, six hundred fifty-nine thousand, two hundred forty-two".