258347 has 4 divisors (see below), whose sum is σ = 261960. Its totient is φ = 254736.

The previous prime is 258337. The next prime is 258353. The reversal of 258347 is 743852.

It is a happy number.

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 258347 - 2⁴ = 258331 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 258347.

It is not an unprimeable number, because it can be changed into a prime (258317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697 + ... + 1842.

It is an arithmetic number, because the mean of its divisors is an integer number (65490).

2²⁵⁸³⁴⁷ is an apocalyptic number.

258347 is a deficient number, since it is larger than the sum of its proper divisors (3613).

258347 is an equidigital number, since it uses as much as digits as its factorization.

258347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612.

The product of its digits is 6720, while the sum is 29.

The square root of 258347 is about 508.2784669844. The cubic root of 258347 is about 63.6894953297.

The spelling of 258347 in words is "two hundred fifty-eight thousand, three hundred forty-seven".