258560791 has 4 divisors (see below), whose sum is σ = 259014184. Its totient is φ = 258107400.

The previous prime is 258560789. The next prime is 258560807. The reversal of 258560791 is 197065852.

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

It is a cyclic number.

It is not a de Polignac number, because 258560791 - 2¹ = 258560789 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 (258560741) 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, 225840 + ... + 226981.

It is an arithmetic number, because the mean of its divisors is an integer number (64753546).

Almost surely, 2^258560791 is an apocalyptic number.

258560791 is a deficient number, since it is larger than the sum of its proper divisors (453393).

258560791 is an equidigital number, since it uses as much as digits as its factorization.

258560791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453392.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 258560791 is about 16079.8255898502. The cubic root of 258560791 is about 637.0705889948.

The spelling of 258560791 in words is "two hundred fifty-eight million, five hundred sixty thousand, seven hundred ninety-one".