425530 has 16 divisors (see below), whose sum is σ = 875520. Its totient is φ = 145872.

The previous prime is 425521. The next prime is 425533. The reversal of 425530 is 35524.

It is a happy number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 425498 and 425507.

It is not an unprimeable number, because it can be changed into a prime (425533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2970 + ... + 3109.

It is an arithmetic number, because the mean of its divisors is an integer number (54720).

2⁴²⁵⁵³⁰ is an apocalyptic number.

425530 is an abundant number, since it is smaller than the sum of its proper divisors (449990).

It is a weird number, because it is abundant, but not a pseudoperfect number.

425530 is a wasteful number, since it uses less digits than its factorization.

425530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 425530 is about 652.3266053136. The cubic root of 425530 is about 75.2159700879.

The spelling of 425530 in words is "four hundred twenty-five thousand, five hundred thirty".