258807 has 4 divisors (see below), whose sum is σ = 345080. Its totient is φ = 172536.

The previous prime is 258803. The next prime is 258809. The reversal of 258807 is 708852.

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

It is not a de Polignac number, because 258807 - 2² = 258803 is a prime.

It is a D-number.

It is a Duffinian number.

258807 is a lucky 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 258807.

It is not an unprimeable number, because it can be changed into a prime (258803) 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, 43132 + ... + 43137.

It is an arithmetic number, because the mean of its divisors is an integer number (86270).

2²⁵⁸⁸⁰⁷ is an apocalyptic number.

258807 is a deficient number, since it is larger than the sum of its proper divisors (86273).

258807 is an equidigital number, since it uses as much as digits as its factorization.

258807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86272.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 258807 is about 508.7307735925. The cubic root of 258807 is about 63.7272737139.

The spelling of 258807 in words is "two hundred fifty-eight thousand, eight hundred seven".