425745 has 12 divisors (see below), whose sum is σ = 738036. Its totient is φ = 227040.

The previous prime is 425713. The next prime is 425779. The reversal of 425745 is 547524.

It can be written as a sum of positive squares in 2 ways, for example, as 239121 + 186624 = 489^2 + 432^2 .

It is not a de Polignac number, because 425745 - 2⁵ = 425713 is a prime.

It is a d-powerful number, because it can be written as 4⁸ + 2³ + 7⁵ + 5⁵ + 4⁹ + 5⁷ .

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4686 + ... + 4775.

It is an arithmetic number, because the mean of its divisors is an integer number (61503).

2⁴²⁵⁷⁴⁵ is an apocalyptic number.

425745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

425745 is a deficient number, since it is larger than the sum of its proper divisors (312291).

425745 is a wasteful number, since it uses less digits than its factorization.

425745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9472 (or 9469 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 425745 is about 652.4913792534. The cubic root of 425745 is about 75.2286356350.

The spelling of 425745 in words is "four hundred twenty-five thousand, seven hundred forty-five".