258869713 has 4 divisors (see below), whose sum is σ = 258913188. Its totient is φ = 258826240.

The previous prime is 258869707. The next prime is 258869717. The reversal of 258869713 is 317968852.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31674384 + 227195329 = 5628^2 + 15073^2 .

It is a cyclic number.

It is not a de Polignac number, because 258869713 - 2²¹ = 256772561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258869717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11056 + ... + 25297.

It is an arithmetic number, because the mean of its divisors is an integer number (64728297).

Almost surely, 2^258869713 is an apocalyptic number.

It is an amenable number.

258869713 is a deficient number, since it is larger than the sum of its proper divisors (43475).

258869713 is an equidigital number, since it uses as much as digits as its factorization.

258869713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43474.

The product of its digits is 725760, while the sum is 49.

The square root of 258869713 is about 16089.4286101154. The cubic root of 258869713 is about 637.3242067126.

The spelling of 258869713 in words is "two hundred fifty-eight million, eight hundred sixty-nine thousand, seven hundred thirteen".