258047 has 4 divisors (see below), whose sum is σ = 261240. Its totient is φ = 254856.

The previous prime is 258031. The next prime is 258061. The reversal of 258047 is 740852.

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 258047 - 2⁴ = 258031 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

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 258047.

It is not an unprimeable number, because it can be changed into a prime (258067) 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, 1472 + ... + 1637.

It is an arithmetic number, because the mean of its divisors is an integer number (65310).

2²⁵⁸⁰⁴⁷ is an apocalyptic number.

258047 is a deficient number, since it is larger than the sum of its proper divisors (3193).

258047 is an equidigital number, since it uses as much as digits as its factorization.

258047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 258047 is about 507.9832674410. The cubic root of 258047 is about 63.6648330871.

Adding to 258047 its reverse (740852), we get a palindrome (998899).

The spelling of 258047 in words is "two hundred fifty-eight thousand, forty-seven".