258117303 has 4 divisors (see below), whose sum is σ = 344156408. Its totient is φ = 172078200.

The previous prime is 258117289. The next prime is 258117323. The reversal of 258117303 is 303711852.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 258117303 - 2¹⁶ = 258051767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258117323) 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 3 ways as a sum of consecutive naturals, for example, 43019548 + ... + 43019553.

It is an arithmetic number, because the mean of its divisors is an integer number (86039102).

Almost surely, 2^258117303 is an apocalyptic number.

258117303 is a deficient number, since it is larger than the sum of its proper divisors (86039105).

258117303 is an equidigital number, since it uses as much as digits as its factorization.

258117303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86039104.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 258117303 is about 16066.0294721502. The cubic root of 258117303 is about 636.7061423339.

The spelling of 258117303 in words is "two hundred fifty-eight million, one hundred seventeen thousand, three hundred three".