258061605 has 8 divisors (see below), whose sum is σ = 412898592. Its totient is φ = 137632848.

The previous prime is 258061597. The next prime is 258061607. The reversal of 258061605 is 506160852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 258061605 - 2³ = 258061597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258061607) 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, 8602039 + ... + 8602068.

It is an arithmetic number, because the mean of its divisors is an integer number (51612324).

Almost surely, 2^258061605 is an apocalyptic number.

It is an amenable number.

258061605 is a deficient number, since it is larger than the sum of its proper divisors (154836987).

258061605 is a wasteful number, since it uses less digits than its factorization.

258061605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17204115.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 258061605 is about 16064.2959696340. The cubic root of 258061605 is about 636.6603416980.

The spelling of 258061605 in words is "two hundred fifty-eight million, sixty-one thousand, six hundred five".