425385 has 32 divisors (see below), whose sum is σ = 794880. Its totient is φ = 215424.

The previous prime is 425377. The next prime is 425387. The reversal of 425385 is 583524.

It is not a de Polignac number, because 425385 - 2³ = 425377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425385.

It is not an unprimeable number, because it can be changed into a prime (425387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3037 + ... + 3173.

It is an arithmetic number, because the mean of its divisors is an integer number (24840).

2⁴²⁵³⁸⁵ is an apocalyptic number.

425385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

425385 is a deficient number, since it is larger than the sum of its proper divisors (369495).

425385 is a wasteful number, since it uses less digits than its factorization.

425385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 168 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 425385 is about 652.2154551987. The cubic root of 425385 is about 75.2074257983.

The spelling of 425385 in words is "four hundred twenty-five thousand, three hundred eighty-five".