425858 has 8 divisors (see below), whose sum is σ = 648000. Its totient is φ = 209860.

The previous prime is 425857. The next prime is 425861. The reversal of 425858 is 858524.

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

It is a d-powerful number, because it can be written as 4⁷ + 2¹⁷ + 8 + 5⁴ + 5⁶ + 8⁶ .

It is not an unprimeable number, because it can be changed into a prime (425851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358 + ... + 1641.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

2⁴²⁵⁸⁵⁸ is an apocalyptic number.

425858 is a deficient number, since it is larger than the sum of its proper divisors (222142).

425858 is a wasteful number, since it uses less digits than its factorization.

425858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072.

The product of its digits is 12800, while the sum is 32.

The square root of 425858 is about 652.5779646908. The cubic root of 425858 is about 75.2352907015.

The spelling of 425858 in words is "four hundred twenty-five thousand, eight hundred fifty-eight".