258870745 has 8 divisors (see below), whose sum is σ = 355022784. Its totient is φ = 177511344.

The previous prime is 258870691. The next prime is 258870751. The reversal of 258870745 is 547078852.

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

It is a cyclic number.

It is not a de Polignac number, because 258870745 - 2²³ = 250482137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 258870695 and 258870704.

It is an unprimeable number.

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, 3698119 + ... + 3698188.

It is an arithmetic number, because the mean of its divisors is an integer number (44377848).

Almost surely, 2^258870745 is an apocalyptic number.

It is an amenable number.

258870745 is a deficient number, since it is larger than the sum of its proper divisors (96152039).

258870745 is an equidigital number, since it uses as much as digits as its factorization.

258870745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7396319.

The product of its (nonzero) digits is 627200, while the sum is 46.

The square root of 258870745 is about 16089.4606808308. The cubic root of 258870745 is about 637.3250536222.

The spelling of 258870745 in words is "two hundred fifty-eight million, eight hundred seventy thousand, seven hundred forty-five".