258435 has 12 divisors (see below), whose sum is σ = 448032. Its totient is φ = 137808.

The previous prime is 258421. The next prime is 258437. The reversal of 258435 is 534852.

It is not a de Polignac number, because 258435 - 2⁵ = 258403 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2¹⁷ + 5 + 4⁷ + 8⁵ + 3⁴ + 5⁷ .

258435 is a lucky number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 258399 and 258408.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 258435.

It is not an unprimeable number, because it can be changed into a prime (258437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2827 + ... + 2916.

It is an arithmetic number, because the mean of its divisors is an integer number (37336).

2²⁵⁸⁴³⁵ is an apocalyptic number.

258435 is a deficient number, since it is larger than the sum of its proper divisors (189597).

258435 is a wasteful number, since it uses less digits than its factorization.

258435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5754 (or 5751 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 258435 is about 508.3650263344. The cubic root of 258435 is about 63.6967259657.

The spelling of 258435 in words is "two hundred fifty-eight thousand, four hundred thirty-five".