425125 has 16 divisors (see below), whose sum is σ = 561600. Its totient is φ = 320400.

The previous prime is 425123. The next prime is 425147. The reversal of 425125 is 521524.

It is not a de Polignac number, because 425125 - 2¹ = 425123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425123) 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, 2286 + ... + 2464.

It is an arithmetic number, because the mean of its divisors is an integer number (35100).

2⁴²⁵¹²⁵ is an apocalyptic number.

It is an amenable number.

425125 is a deficient number, since it is larger than the sum of its proper divisors (136475).

425125 is a wasteful number, since it uses less digits than its factorization.

425125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 203 counting only the distinct ones).

The product of its digits is 400, while the sum is 19.

The square root of 425125 is about 652.0161040956. The cubic root of 425125 is about 75.1921001397.

Adding to 425125 its reverse (521524), we get a palindrome (946649).

The spelling of 425125 in words is "four hundred twenty-five thousand, one hundred twenty-five".