425585 has 8 divisors (see below), whose sum is σ = 521856. Its totient is φ = 333040.

The previous prime is 425563. The next prime is 425591. The reversal of 425585 is 585524.

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

It is not a de Polignac number, because 425585 - 2⁶ = 425521 is a prime.

It is a super-2 number, since 2×425585² = 362245184450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425585.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671 + ... + 1140.

It is an arithmetic number, because the mean of its divisors is an integer number (65232).

2⁴²⁵⁵⁸⁵ is an apocalyptic number.

It is an amenable number.

425585 is a deficient number, since it is larger than the sum of its proper divisors (96271).

425585 is a wasteful number, since it uses less digits than its factorization.

425585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863.

The product of its digits is 8000, while the sum is 29.

The square root of 425585 is about 652.3687607481. The cubic root of 425585 is about 75.2192105176.

It can be divided in two parts, 4255 and 85, that multiplied together give a triangular number (361675 = T₈₅₀).

The spelling of 425585 in words is "four hundred twenty-five thousand, five hundred eighty-five".