425000 has 48 divisors (see below), whose sum is σ = 1054620. Its totient is φ = 160000.

The previous prime is 424997. The next prime is 425003. The reversal of 425000 is 524.

It is an interprime number because it is at equal distance from previous prime (424997) and next prime (425003).

It can be written as a sum of positive squares in 6 ways, for example, as 17956 + 407044 = 134^2 + 638^2 .

It is a sliding number, since 425000 = 25000 + 400000 and 1/25000 + 1/400000 = 0.0000425000.

It is not an unprimeable number, because it can be changed into a prime (425003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24992 + ... + 25008.

2⁴²⁵⁰⁰⁰ is an apocalyptic number.

425000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527310).

425000 is an abundant number, since it is smaller than the sum of its proper divisors (629620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425000 is an equidigital number, since it uses as much as digits as its factorization.

425000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 425000 is about 651.9202405203. The cubic root of 425000 is about 75.1847298102.

Adding to 425000 its reverse (524), we get a palindrome (425524).

It can be divided in two parts, 4 and 25000, that multiplied together give a 5-th power (100000 = 10⁵).

The spelling of 425000 in words is "four hundred twenty-five thousand".