258427 has 8 divisors (see below), whose sum is σ = 282464. Its totient is φ = 235008.

The previous prime is 258421. The next prime is 258437. The reversal of 258427 is 724852.

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

It is a cyclic number.

It is not a de Polignac number, because 258427 - 2⁷ = 258299 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 258395 and 258404.

It is not an unprimeable number, because it can be changed into a prime (258421) 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, 1243 + ... + 1435.

It is an arithmetic number, because the mean of its divisors is an integer number (35308).

2²⁵⁸⁴²⁷ is an apocalyptic number.

258427 is the 294-th hex number.

258427 is a deficient number, since it is larger than the sum of its proper divisors (24037).

258427 is a wasteful number, since it uses less digits than its factorization.

258427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309.

The product of its digits is 4480, while the sum is 28.

The square root of 258427 is about 508.3571579116. The cubic root of 258427 is about 63.6960687030.

The spelling of 258427 in words is "two hundred fifty-eight thousand, four hundred twenty-seven".