258745385 has 16 divisors (see below), whose sum is σ = 317753280. Its totient is φ = 202201920.

The previous prime is 258745351. The next prime is 258745391. The reversal of 258745385 is 583547852.

It is not a de Polignac number, because 258745385 - 2¹² = 258741289 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45395 + ... + 50775.

It is an arithmetic number, because the mean of its divisors is an integer number (19859580).

Almost surely, 2^258745385 is an apocalyptic number.

It is an amenable number.

258745385 is a deficient number, since it is larger than the sum of its proper divisors (59007895).

258745385 is a wasteful number, since it uses less digits than its factorization.

258745385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608.

The product of its digits is 1344000, while the sum is 47.

The square root of 258745385 is about 16085.5644911828. The cubic root of 258745385 is about 637.2221606144. Note that the first 3 decimals are identical.

The spelling of 258745385 in words is "two hundred fifty-eight million, seven hundred forty-five thousand, three hundred eighty-five".