258511 has 8 divisors (see below), whose sum is σ = 286848. Its totient is φ = 231000.

The previous prime is 258499. The next prime is 258521. The reversal of 258511 is 115852.

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

It is a de Polignac number, because none of the positive numbers 2^k-258511 is a prime.

It is a Duffinian number.

258511 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616 + ... + 946.

It is an arithmetic number, because the mean of its divisors is an integer number (35856).

It is a Poulet number, since it divides 2²⁵⁸⁵¹⁰-1.

2²⁵⁸⁵¹¹ is an apocalyptic number.

258511 is a deficient number, since it is larger than the sum of its proper divisors (28337).

258511 is a wasteful number, since it uses less digits than its factorization.

258511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its digits is 400, while the sum is 22.

The square root of 258511 is about 508.4397702777. The cubic root of 258511 is about 63.7029692851.

It can be divided in two parts, 25851 and 1, that added together give a palindrome (25852).

The spelling of 258511 in words is "two hundred fifty-eight thousand, five hundred eleven".