258935 has 4 divisors (see below), whose sum is σ = 310728. Its totient is φ = 207144.

The previous prime is 258919. The next prime is 258949. The reversal of 258935 is 539852.

258935 = 78² + 79² + ... + 107².

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 258935 - 2⁴ = 258919 is a prime.

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 258935.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25889 + ... + 25898.

It is an arithmetic number, because the mean of its divisors is an integer number (77682).

2²⁵⁸⁹³⁵ is an apocalyptic number.

258935 is a deficient number, since it is larger than the sum of its proper divisors (51793).

258935 is an equidigital number, since it uses as much as digits as its factorization.

258935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51792.

The product of its digits is 10800, while the sum is 32.

The square root of 258935 is about 508.8565613216. The cubic root of 258935 is about 63.7377779979.

The spelling of 258935 in words is "two hundred fifty-eight thousand, nine hundred thirty-five".