425285 has 16 divisors (see below), whose sum is σ = 604800. Its totient is φ = 280896.

The previous prime is 425281. The next prime is 425291. The reversal of 425285 is 582524.

It is not a de Polignac number, because 425285 - 2² = 425281 is a prime.

It is a Curzon 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 425285.

It is not an unprimeable number, because it can be changed into a prime (425281) 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 15 ways as a sum of consecutive naturals, for example, 806 + ... + 1224.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2⁴²⁵²⁸⁵ is an apocalyptic number.

It is an amenable number.

425285 is a deficient number, since it is larger than the sum of its proper divisors (179515).

425285 is a wasteful number, since it uses less digits than its factorization.

425285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460.

The product of its digits is 3200, while the sum is 26.

The square root of 425285 is about 652.1387889092. The cubic root of 425285 is about 75.2015320534.

The spelling of 425285 in words is "four hundred twenty-five thousand, two hundred eighty-five".